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fhem.pl/FHEMWEB: fix HTTPS problem with large streamed files

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git-svn-id: https://svn.fhem.de/fhem/trunk@5626 2b470e98-0d58-463d-a4d8-8e2adae1ed80
This commit is contained in:
rudolfkoenig 2014-04-24 10:27:44 +00:00
parent 488fe34807
commit 5b673b9c61
2 changed files with 17 additions and 14 deletions
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27
fhem/FHEM/01_FHEMWEB.pm
View File

@ -1345,9 +1345,10 @@ FW_fileList($)
sub
FW_outputChunk($$$)
{
my ($c, $buf, $d) = @_;
my ($hash, $buf, $d) = @_;
$buf = $d->deflate($buf) if($d);
print $c sprintf("%x\r\n", length($buf)), $buf, "\r\n" if(length($buf));
addToWritebuffer($hash, sprintf("%x\r\n", length($buf)).$buf."\r\n", "", 1)
if(length($buf));
}
sub
@ -1356,7 +1357,6 @@ FW_returnFileAsStream($$$$$)
my ($path, $suffix, $type, $doEsc, $cacheable) = @_;
my $etag;
my $c = $FW_chash->{CD};
if($cacheable) {
#Check for If-None-Match header (ETag)
@ -1369,6 +1369,7 @@ FW_returnFileAsStream($$$$$)
$etag = (stat($path))[9]; #mtime
if(defined($etag) && defined($if_none_match) && $etag eq $if_none_match) {
my $c = $FW_chash->{CD};
print $c "HTTP/1.1 304 Not Modified\r\n",
$FW_headercors, "\r\n";
return -1;
@ -1386,29 +1387,31 @@ FW_returnFileAsStream($$$$$)
my $expires = $cacheable ? ("Expires: ".gmtime(time()+900)." GMT\r\n"): "";
my $compr = ((int(@FW_enc) == 1 && $FW_enc[0] =~ m/gzip/) && $FW_use_zlib) ?
"Content-Encoding: gzip\r\n" : "";
print $c "HTTP/1.1 200 OK\r\n",
$compr, $expires, $FW_headercors, $etag,
"Transfer-Encoding: chunked\r\n",
"Content-Type: $type; charset=$FW_encoding\r\n\r\n";
addToWritebuffer($FW_chash,
"HTTP/1.1 200 OK\r\n".
$compr . $expires . $FW_headercors . $etag .
"Transfer-Encoding: chunked\r\n" .
"Content-Type: $type; charset=$FW_encoding\r\n\r\n", "", 1);
my $d = Compress::Zlib::deflateInit(-WindowBits=>31) if($compr);
FW_outputChunk($c, $FW_RET, $d);
FW_outputChunk($FW_chash, $FW_RET, $d);
my $buf;
while(sysread(FH, $buf, 2048)) {
if($doEsc) { # FileLog special
$buf =~ s/</&lt;/g;
$buf =~ s/>/&gt;/g;
}
FW_outputChunk($c, $buf, $d);
FW_outputChunk($FW_chash, $buf, $d);
}
close(FH);
FW_outputChunk($c, $suffix, $d);
FW_outputChunk($FW_chash, $suffix, $d);
if($compr) {
$buf = $d->flush();
print $c sprintf("%x\r\n", length($buf)), $buf, "\r\n" if($buf);
addToWritebuffer($FW_chash,sprintf("%x\r\n",length($buf)).$buf."\r\n","",1)
if($buf);
}
print $c "0\r\n\r\n";
addToWritebuffer($FW_chash, "0\r\n\r\n", "", 1);
return -1;
}

4
fhem/fhem.pl
View File

@ -3836,7 +3836,7 @@ Debug($) {
sub
addToWritebuffer($$@)
{
my ($hash, $txt, $callback) = @_;
my ($hash, $txt, $callback, $nolimit) = @_;
if(defined($hash->{pid})) { # Wont go to the main select in a forked process
my ($off, $len) = (0, length($txt));
@ -3856,7 +3856,7 @@ addToWritebuffer($$@)
$hash->{WBCallback} = $callback;
if(!$hash->{$wbName}) {
$hash->{$wbName} = $txt;
} elsif(length($hash->{$wbName}) < 102400) {
} elsif($nolimit || length($hash->{$wbName}) < 102400) {
$hash->{$wbName} .= $txt;
}
}