Marko Tikvić / webutility

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middleware/main.go 2.35 KB
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  package middleware
  
  import (
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  	"fmt"
  	"io/ioutil"
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  	"net/http"
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  	web "git.to-net.rs/marko.tikvic/webutility"
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  )
  
  func Headers(h http.HandlerFunc) http.HandlerFunc {
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  	return SetAccessControlHeaders(IgnoreOptionsRequests(ParseForm(h)))
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  }
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  func AuthUser(roles string, h http.HandlerFunc) http.HandlerFunc {
  	return SetAccessControlHeaders(IgnoreOptionsRequests(ParseForm(Auth(roles, h))))
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  }
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  func AuthUserAndLog(roles string, h http.HandlerFunc) http.HandlerFunc {
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  	return SetAccessControlHeaders(IgnoreOptionsRequests(ParseForm(LogHTTP(Auth(roles, h)))))
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  }
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  func LogTraffic(h http.HandlerFunc) http.HandlerFunc {
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  	return SetAccessControlHeaders(IgnoreOptionsRequests(ParseForm(LogHTTP(h))))
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  }
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  func TrafficLogsHandler(w http.ResponseWriter, req *http.Request) {
  	switch req.Method {
  	case "GET":
  		files, err := ioutil.ReadDir(httpLogger.GetOutDir() + "/")
  		if err != nil {
  			web.InternalServerError(w, req, err.Error())
  			return
  		}
  
  		web.SetContentType(w, "text/html; charset=utf-8")
  		web.SetResponseStatus(w, http.StatusOK)
  
  		web.WriteResponse(w, []byte("<body style='background-color: black; color: white'>"))
  		inputForm := `
  		<div>
  	  	  <form action="/api/v1/logs" method="POST" target="_blank">
  		    Username:<br>
  		    <input type="text" name="username"><br>
  		    Password:<br>
  		    <input type="password" name="password"><br>
  		    Log:<br>
  		    <input type="text" name="logfile"><br>
  		    <input type="submit" value="View">
  		  </form>
  		</div>`
  		web.WriteResponse(w, []byte(inputForm))
  
  		web.WriteResponse(w, []byte("<table>"))
  		web.WriteResponse(w, []byte("<tr><th>Name</th><th>Size</th></tr>"))
  		for i := range files {
  			name := files[i].Name()
  			size := files[i].Size()
  			div := fmt.Sprintf(`<tr><td>%s</td><td style="text-align:right">%dB</td></tr>`, name, size)
  			web.WriteResponse(w, []byte(div))
  		}
  		web.WriteResponse(w, []byte("</table></body>"))
  
  	case "POST":
  		web.SetContentType(w, "text/html; charset=utf-8")
  
  		logfile := req.FormValue("logfile")
  		content, err := web.ReadFileContent(httpLogger.GetOutDir() + "/" + logfile)
  		if err != nil {
  			web.InternalServerError(w, req, err.Error())
  			return
  		}
  		web.SetResponseStatus(w, http.StatusOK)
  		web.WriteResponse(w, []byte("<body style='background-color: black; color: white'>"))
  		web.WriteResponse(w, []byte("<pre>"))
  		web.WriteResponse(w, content)
  		web.WriteResponse(w, []byte("</pre></body>"))
  		return
  	}
  }