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2005-11-16 jrandom

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* More aggressive I2PTunnel content encoding munging to work around some
      rare HTTP behavior (ignoring q values on Accept-encoding, using gzip
      even when only identity is specified, etc).  I2PTunnelHTTPServer now
      sends "Accept-encoding: \r\n" plus "X-Accept-encoding: x-i2p-gzip\r\n",
      and I2PTunnelHTTPServer handles x-i2p-gzip in either the Accept-encoding
      or X-Accept-encoding headers.  Eepsite operators who do not know to
      check for X-Accept-encoding will simply use the identity encoding.
This commit is contained in:
jrandom
2005-11-16 11:50:56 +00:00
committed by zzz
parent f7236d7d58
commit 99ae3ee459
4 changed files with 32 additions and 8 deletions
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9
apps/i2ptunnel/java/src/net/i2p/i2ptunnel/I2PTunnelHTTPClient.java
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@ -444,8 +444,13 @@ public class I2PTunnelHTTPClient extends I2PTunnelClientBase implements Runnable
boolean gzip = DEFAULT_GZIP;
if (ok != null)
gzip = Boolean.valueOf(ok).booleanValue();
if (gzip)
newRequest.append("Accept-Encoding: x-i2p-gzip\r\n");
if (gzip) {
// according to rfc2616 s14.3, this *should* force identity, even if
// an explicit q=0 for gzip doesn't. tested against orion.i2p, and it
// seems to work.
newRequest.append("Accept-Encoding: \r\n");
newRequest.append("X-Accept-Encoding: x-i2p-gzip;q=1.0, identity;q=0.5, deflate;q=0, gzip;q=0, *;q=0\r\n");
}
newRequest.append("User-Agent: MYOB/6.66 (AN/ON)\r\n");
newRequest.append("Connection: close\r\n\r\n");
break;

16
apps/i2ptunnel/java/src/net/i2p/i2ptunnel/I2PTunnelHTTPServer.java
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@ -75,7 +75,11 @@ public class I2PTunnelHTTPServer extends I2PTunnelServer {
// we keep the enc sent by the browser before clobbering it, since it may have
// been x-i2p-gzip
String enc = headers.getProperty("Accept-encoding");
headers.setProperty("Accept-encoding", "identity;q=1, *;q=0");
String altEnc = headers.getProperty("X-Accept-encoding");
// according to rfc2616 s14.3, this *should* force identity, even if
// "identity;q=1, *;q=0" didn't.
headers.setProperty("Accept-encoding", "");
String modifiedHeader = formatHeaders(headers, command);
//String modifiedHeader = getModifiedHeader(socket);
@ -97,8 +101,12 @@ public class I2PTunnelHTTPServer extends I2PTunnelServer {
allowGZIP = false;
}
if (_log.shouldLog(Log.INFO))
_log.info("HTTP server encoding header: " + enc);
if ( allowGZIP && (enc != null) && (enc.indexOf("x-i2p-gzip") >= 0) ) {
_log.info("HTTP server encoding header: " + enc + "/" + altEnc);
boolean useGZIP = ( (enc != null) && (enc.indexOf("x-i2p-gzip") >= 0) );
if ( (!useGZIP) && (altEnc != null) && (altEnc.indexOf("x-i2p-gzip") >= 0) )
useGZIP = true;
if (allowGZIP && useGZIP) {
I2PThread req = new I2PThread(new CompressedRequestor(s, socket, modifiedHeader), "http compressor");
req.start();
} else {
@ -297,6 +305,8 @@ public class I2PTunnelHTTPServer extends I2PTunnelServer {
String value = buf.substring(split+2); // ": "
if ("Accept-encoding".equalsIgnoreCase(name))
name = "Accept-encoding";
else if ("X-Accept-encoding".equalsIgnoreCase(name))
name = "X-Accept-encoding";
headers.setProperty(name, value);
if (_log.shouldLog(Log.DEBUG))
_log.debug("Read the header [" + name + "] = [" + value + "]");

11
history.txt
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@ -1,4 +1,13 @@
$Id: history.txt,v 1.321 2005/11/14 19:24:36 jrandom Exp $
$Id: history.txt,v 1.322 2005/11/15 22:20:22 jrandom Exp $
2005-11-16 jrandom
* More aggressive I2PTunnel content encoding munging to work around some
rare HTTP behavior (ignoring q values on Accept-encoding, using gzip
even when only identity is specified, etc). I2PTunnelHTTPServer now
sends "Accept-encoding: \r\n" plus "X-Accept-encoding: x-i2p-gzip\r\n",
and I2PTunnelHTTPServer handles x-i2p-gzip in either the Accept-encoding
or X-Accept-encoding headers. Eepsite operators who do not know to
check for X-Accept-encoding will simply use the identity encoding.
* 2005-11-15 0.6.1.5 released

4
router/java/src/net/i2p/router/RouterVersion.java
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@ -15,9 +15,9 @@ import net.i2p.CoreVersion;
*
*/
public class RouterVersion {
public final static String ID = "$Revision: 1.289 $ $Date: 2005/11/15 01:38:00 $";
public final static String ID = "$Revision: 1.290 $ $Date: 2005/11/15 22:20:22 $";
public final static String VERSION = "0.6.1.5";
public final static long BUILD = 0;
public final static long BUILD = 1;
public static void main(String args[]) {
System.out.println("I2P Router version: " + VERSION + "-" + BUILD);
System.out.println("Router ID: " + RouterVersion.ID);