From e8456e63920058f2e4dfc4dfb6124505120f5396 Mon Sep 17 00:00:00 2001
From: guillermo <guillermo@verdnatura.es>
Date: Tue, 2 Jul 2024 12:51:13 +0200
Subject: [PATCH] feat: refs #7022 Added cdn

---
 cdn/Dockerfile         | 20 ++++++++++++++++++++
 cdn/apache2.conf       | 18 ++++++++++++++++++
 cdn/docker-compose.yml |  8 ++++++++
 cdn/rwmap.pl           | 35 +++++++++++++++++++++++++++++++++++
 4 files changed, 81 insertions(+)
 create mode 100644 cdn/Dockerfile
 create mode 100644 cdn/apache2.conf
 create mode 100644 cdn/docker-compose.yml
 create mode 100755 cdn/rwmap.pl

diff --git a/cdn/Dockerfile b/cdn/Dockerfile
new file mode 100644
index 0000000..055ca85
--- /dev/null
+++ b/cdn/Dockerfile
@@ -0,0 +1,20 @@
+FROM httpd:2.4.60
+
+RUN apt-get update \
+    && apt-get install -y curl libcgi-pm-perl \
+    && rm -rf /var/lib/apt/lists/*
+
+RUN echo "ServerName localhost\n" \
+    "Include conf/extra/httpd-vhosts.conf\n" \
+    "LoadModule rewrite_module modules/mod_rewrite.so\n" \
+    "LoadModule cgid_module modules/mod_cgid.so\n" \
+    "LoadModule proxy_module modules/mod_proxy.so\n" \
+    "LoadModule proxy_http_module modules/mod_proxy_http.so" \
+    >> "/usr/local/apache2/conf/httpd.conf"
+
+COPY apache2.conf /usr/local/apache2/conf/extra/httpd-vhosts.conf
+
+COPY rwmap.pl /usr/local/apache2/htdocs/
+RUN chmod +x /usr/local/apache2/htdocs/rwmap.pl
+
+CMD ["httpd-foreground"]
diff --git a/cdn/apache2.conf b/cdn/apache2.conf
new file mode 100644
index 0000000..c685548
--- /dev/null
+++ b/cdn/apache2.conf
@@ -0,0 +1,18 @@
+<VirtualHost *:80>
+    DocumentRoot /usr/local/apache2/htdocs
+
+    RewriteEngine On
+    RewriteMap rwmap prg:/usr/local/apache2/htdocs/rwmap.pl
+    RewriteRule ^/image/catalog/(.+)$ ${rwmap:$1} [PT,QSA]
+
+    <Proxy *>
+        Require all granted
+    </Proxy>
+
+    <Directory "/usr/local/apache2/htdocs">
+        Options Indexes FollowSymLinks ExecCGI
+        AllowOverride All
+        Require all granted
+        AddHandler cgi-script .pl
+    </Directory>
+</VirtualHost>
\ No newline at end of file
diff --git a/cdn/docker-compose.yml b/cdn/docker-compose.yml
new file mode 100644
index 0000000..ac8896a
--- /dev/null
+++ b/cdn/docker-compose.yml
@@ -0,0 +1,8 @@
+version: '3'
+services:
+    apache:
+        build:
+            context: .
+            dockerfile: Dockerfile
+        ports:
+            - "80:80"
diff --git a/cdn/rwmap.pl b/cdn/rwmap.pl
new file mode 100755
index 0000000..c150734
--- /dev/null
+++ b/cdn/rwmap.pl
@@ -0,0 +1,35 @@
+#!/usr/bin/perl
+use strict;
+use warnings;
+use Digest::SHA qw(sha1_hex);
+# Desactiva el buffering de salida para que Apache pueda obtener la respuesta inmediatamente
+$| = 1;
+my $serverName = $ENV{'SERVER_NAME'} || 'localhost';
+my $serverPort = $ENV{'SERVER_PORT'} || '80';
+my $scheme = ($serverPort == 443) ? 'https' : 'http';
+my $baseUrl = "$scheme://$serverName";
+$baseUrl .= ":$serverPort" if ($serverPort != 80 && $serverPort != 443);
+
+while (<STDIN>) {
+    chomp;
+    my $input = $_;
+    my ($path, $filename) = split('/', $input);
+
+    if (defined $filename && $filename =~ /^(.+)\.(\w+)$/) {
+        my $name = $1;
+        my $extension = $2;
+
+        my $sha1 = sha1_hex($name);
+        my $first = substr($sha1, 0, 2);
+        my $last = substr($sha1, 1, 2);
+
+        if (-e "images/catalog/$path/$first/$last/$name.$extension") {
+            print "$baseUrl/images/catalog/$path/$first/$last/$name.$extension\n";
+        }
+        else {
+            print "$baseUrl/images/catalog/$path/$name.$extension\n";
+        }
+    } else {
+        print "Status: 400 Bad Request\n";
+    }
+}