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http server: return specific http codes for errors

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This commit is contained in:
Sergej Orlov 2020-02-02 10:42:13 +01:00
parent 6fd1c6151d
commit 179525712f
1 changed files with 33 additions and 17 deletions
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50
brouter-server/src/main/java/btools/server/RouteServer.java
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@ -36,6 +36,11 @@ import btools.util.StackSampler;
public class RouteServer extends Thread
{
public static final String PROFILE_UPLOAD_URL = "/brouter/profile";
static final String HTTP_STATUS_OK = "200 OK";
static final String HTTP_STATUS_BAD_REQUEST = "400 Bad Request";
static final String HTTP_STATUS_FORBIDDEN = "403 Forbidden";
static final String HTTP_STATUS_NOT_FOUND = "404 Not Found";
static final String HTTP_STATUS_INTERNAL_SERVER_ERROR = "500 Internal Server Error";
public ServiceContext serviceContext;
@ -80,6 +85,8 @@ public class RouteServer extends Thread
String line = br.readLine();
if ( line == null )
{
writeHttpHeader(bw, HTTP_STATUS_BAD_REQUEST);
bw.flush();
return;
}
if ( line.length() == 0 )
@ -108,7 +115,7 @@ public class RouteServer extends Thread
{
if ( agent.indexOf( tk.nextToken() ) >= 0 )
{
writeHttpHeader( bw );
writeHttpHeader( bw, HTTP_STATUS_FORBIDDEN );
bw.write( "Bad agent: " + agent );
bw.flush();
return;
@ -118,11 +125,13 @@ public class RouteServer extends Thread
if ( getline.startsWith("GET /favicon.ico") )
{
return;
writeHttpHeader( bw, HTTP_STATUS_NOT_FOUND );
bw.flush();
return;
}
if ( getline.startsWith("GET /robots.txt") )
{
writeHttpHeader( bw );
writeHttpHeader( bw, HTTP_STATUS_OK );
bw.write( "User-agent: *\n" );
bw.write( "Disallow: /\n" );
bw.flush();
@ -149,13 +158,13 @@ public class RouteServer extends Thread
// handle CORS preflight request (Safari)
String corsHeaders = "Access-Control-Allow-Methods: GET, POST\n"
+ "Access-Control-Allow-Headers: Content-Type\n";
writeHttpHeader( bw, "text/plain", null, corsHeaders );
writeHttpHeader( bw, "text/plain", null, corsHeaders, HTTP_STATUS_OK );
bw.flush();
return;
}
else
{
writeHttpHeader(bw, "application/json");
writeHttpHeader(bw, "application/json", HTTP_STATUS_OK);
String profileId = null;
if ( url.length() > PROFILE_UPLOAD_URL.length() + 1 )
@ -173,13 +182,15 @@ public class RouteServer extends Thread
}
else if ( url.startsWith( "/brouter/suspects" ) )
{
writeHttpHeader(bw, url.endsWith( ".json" ) ? "application/json" : "text/html");
writeHttpHeader(bw, url.endsWith( ".json" ) ? "application/json" : "text/html", HTTP_STATUS_OK);
SuspectManager.process( url, bw );
return;
}
else
{
throw new IllegalArgumentException( "unknown request syntax: " + getline );
writeHttpHeader( bw, HTTP_STATUS_NOT_FOUND );
bw.flush();
return;
}
RoutingContext rc = handler.readRoutingContext();
List<OsmNodeNamed> wplist = handler.readWayPointList();
@ -214,7 +225,7 @@ public class RouteServer extends Thread
if ( cr.getErrorMessage() != null )
{
writeHttpHeader(bw);
writeHttpHeader(bw, HTTP_STATUS_INTERNAL_SERVER_ERROR);
bw.write( cr.getErrorMessage() );
bw.write( "\n" );
}
@ -223,7 +234,7 @@ public class RouteServer extends Thread
OsmTrack track = cr.getFoundTrack();
String headers = encodings == null || encodings.indexOf( "gzip" ) < 0 ? null : "Content-Encoding: gzip\n";
writeHttpHeader(bw, handler.getMimeType(), handler.getFileName(), headers );
writeHttpHeader(bw, handler.getMimeType(), handler.getFileName(), headers, HTTP_STATUS_OK );
if ( track != null )
{
if ( headers != null ) // compressed
@ -245,6 +256,11 @@ public class RouteServer extends Thread
}
catch (Throwable e)
{
try {
writeHttpHeader(bw, HTTP_STATUS_INTERNAL_SERVER_ERROR);
bw.flush();
}
catch (IOException _ignore){}
System.out.println("RouteServer got exception (will continue): "+e);
e.printStackTrace();
}
@ -369,25 +385,25 @@ public class RouteServer extends Thread
return maxRunningTime;
}
private static void writeHttpHeader( BufferedWriter bw ) throws IOException
private static void writeHttpHeader( BufferedWriter bw, String status ) throws IOException
{
writeHttpHeader( bw, "text/plain" );
writeHttpHeader( bw, "text/plain", status );
}
private static void writeHttpHeader( BufferedWriter bw, String mimeType ) throws IOException
private static void writeHttpHeader( BufferedWriter bw, String mimeType, String status ) throws IOException
{
writeHttpHeader( bw, mimeType, null );
writeHttpHeader( bw, mimeType, null, status );
}
private static void writeHttpHeader( BufferedWriter bw, String mimeType, String fileName ) throws IOException
private static void writeHttpHeader( BufferedWriter bw, String mimeType, String fileName, String status ) throws IOException
{
writeHttpHeader( bw, mimeType, fileName, null);
writeHttpHeader( bw, mimeType, fileName, null, status);
}
private static void writeHttpHeader( BufferedWriter bw, String mimeType, String fileName, String headers ) throws IOException
private static void writeHttpHeader( BufferedWriter bw, String mimeType, String fileName, String headers, String status ) throws IOException
{
// http-header
bw.write( "HTTP/1.1 200 OK\n" );
bw.write( String.format("HTTP/1.1 %s\n", status) );
bw.write( "Connection: close\n" );
bw.write( "Content-Type: " + mimeType + "; charset=utf-8\n" );
if ( fileName != null )