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Get http-response header with Perl's File::Fetch


Get http-response header with Perl's File::Fetch

By : user2950679
Date : November 17 2020, 11:55 AM
this will help I want to download a file in a Perl script. , The following code should work if you use only HTTP URIs.
code :
use HTTP::Tiny;
$http = HTTP::Tiny->new();
$response = $http->mirror( $uri, $file );
use Data::Dumper;
die Dumper($response) unless $response->{'success'};


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Fetch HTTP response header/redirect status with PHP

Fetch HTTP response header/redirect status with PHP


By : Liya
Date : March 29 2020, 07:55 AM
around this issue You could also try out curl, shortest possible example that retrieves all the headers looks like this:
code :
<?php
$ch = curl_init();
curl_setopt($ch, CURLOPT_URL, 'http://stackoverflow.com');
curl_setopt($ch, CURLOPT_HEADERFUNCTION, 'read_header');
curl_setopt($ch, CURLOPT_NOBODY, 1);
curl_exec($ch);

function read_header($ch, $string) {
    print "Received header: $string";
    return strlen($string);
}
[~]> php headers.php 
Received header: HTTP/1.1 200 OK
Received header: Cache-Control: private
Received header: Content-Type: text/html; charset=utf-8
Received header: Expires: Mon, 31 Aug 2009 09:38:45 GMT
Received header: Server: Microsoft-IIS/7.0
Received header: Date: Mon, 31 Aug 2009 09:38:45 GMT
Received header: Content-Length: 118666
Received header: 
Perls File::VirusScan using Daemon::ClamAV::Clamd says did not get PING response from clamd

Perls File::VirusScan using Daemon::ClamAV::Clamd says did not get PING response from clamd


By : Joe Sabec
Date : March 29 2020, 07:55 AM
I wish this helpful for you Looking at the source code for the Clamd package the following script should approximate the call it is attempting and will hopefully give you a better idea of how it's failing. Try saving it to a separate file (like test.pl) and run it using "perl test.pl":
code :
use IO::Socket::UNIX;
use IO::Select;

my $socket_name = '/var/run/clamav/clamd.sock';
my $sock = IO::Socket::UNIX->new(Peer => $socket_name);

if(!defined($sock)) {
    die("Couldn't create socket for path $socket_name");
}

my $s = IO::Select->new($sock);

if(!$s->can_write(5)) {
    $sock->close;
    die("Timeout waiting to write PING to clamd daemon at $socket_name");
}

if(!$sock->print("SESSION\nPING\n")) {
    $sock->close;
    die('Could not ping clamd');
}

if(!$sock->flush) {
    $sock->close;
    die('Could not flush clamd socket');
}

if(!$s->can_read($self->{5})) {
    $sock->close;
    die("Timeout reading from clamd daemon at $socket_name");
}

my $ping_response;
if(!$sock->sysread($ping_response, 256)) {
    $sock->close;
    die('Did not get ping response from clamd');
}

if(!defined $ping_response || $ping_response ne "PONG\n") {
    $sock->close;
    die("Unexpected response from clamd: $ping_response");
}
How to save a file sent from a http response without including the header

How to save a file sent from a http response without including the header


By : Hüseyin Terkir
Date : March 29 2020, 07:55 AM
I wish this helpful for you The recommended way to do this is to NOT try to talk to a web server using a plain Socket. Use one of the existing client-side HTTP stack; e.g. the standard HttpUrlConnection stack or the Apache HttpClient stack.
If you insist on talking using a plain socket, then it is up to you to process / deal with the "Header" lines in any response ... and everything else ... in accordance with the HTTP specification.
android-async-http library get http response header from Response Handler

android-async-http library get http response header from Response Handler


By : Martin Hall
Date : March 29 2020, 07:55 AM
Does that help @Zapnologica, it seems, that author of library provided changes based on this pull request: https://github.com/loopj/android-async-http/pull/170 But it is not released yet, at least latest available .jar version of library is 1.4.3 and it does not include these changes, unfortunately. The only option we may try to use is cloning/forking git repo and including its sources into your project.
UPDATE: Seems library will soon be added to maven central repo, but at least now I was able to add 1.4.4 SNAPSHOT build using gradle for my project with such config changes:
code :
repositories {
    ...
    //android-async-client repo
    maven {
        url "https://oss.sonatype.org/content/repositories/snapshots/"
    }
}
compile 'com.loopj.android:android-async-http:1.4.4-SNAPSHOT'
@Override
public void onSuccess(int statusCode, Header[] headers, String content) {
    super.onSuccess(statusCode, headers, content);
}
@Override
protected void sendResponseMessage(HttpResponse response) {
    super.sendResponseMessage(response);
}
Perl File::Fetch Failed HTTP response: 500 Internal Server Error

Perl File::Fetch Failed HTTP response: 500 Internal Server Error


By : Giorgi
Date : March 29 2020, 07:55 AM
hope this fix your issue
Could not open socket to 'www.londonstockexchange.com', 'Connection refused
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