Add statis resources

olimpiadi-informatica · Oct 17, 2024 · d4dc6da · d4dc6da
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diff --git a/public/check/index.html b/public/check/index.html
@@ -0,0 +1,103 @@
+<!--
+
+    !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
+    
+    WARNING!
+    Questa pagina viene fornita per verificare ***lato client*** l'effettivo
+    blocco di internet. Non serve a niente tentare di modificare questo script,
+    perche' il controllo ***effettivo*** viene eseguito in automatico durante
+    la gara ***lato server***.
+
+    !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
+-->
+
+<html>
+    <style>
+    body {
+        font-family: sans-serif;
+        font-size: xx-large;
+    }
+    </style>
+
+    <script>
+
+    function display_failed() {
+        document.getElementById("esito").innerHTML = "fallito";
+        document.body.style.backgroundColor = "darkred";
+    }
+
+    function display_passed() {
+        document.getElementById("esito").innerHTML = "superato";
+        document.body.style.backgroundColor = "green";
+    }
+
+    var blocked = 0;
+    function one_more_blocked() {
+        blocked++;
+        document.getElementById("successful-tests").innerHTML = blocked;
+        if (blocked == tests.length)
+            display_passed();
+    }
+
+
+    function do_test(target_url, json_field) {
+        var xhr = new XMLHttpRequest();
+        xhr.open('GET', target_url + '?nocache=' + (Math.random()).toString().replace('.',''));
+        xhr.timeout = 15000;
+        xhr.onload = function() {
+            var res_json = JSON.parse(xhr.response);
+            if (res_json[json_field].length > 0)
+                display_failed();
+            else
+                one_more_blocked();
+        }
+        xhr.ontimeout = function() {
+            one_more_blocked();
+        }
+        xhr.onerror = function() {
+            one_more_blocked();
+        }        
+        xhr.send();
+    }
+
+    var tests = [
+                    ["https://jsonplaceholder.typicode.com/posts/1", "body"],
+                    ["https://httpbin.org/get", "url"],
+                    ["https://reqres.in/api/users", "data"],
+                    ["https://training.olinfo.it/ois-internet-check", "asd"]
+                ];
+
+    tests.forEach(function(test) {
+            do_test(test[0], test[1]);
+    });
+
+    </script>
+
+    <noscript>
+        <style>
+        body {
+            background-color: darkred !important;
+        }
+        </style>
+    </noscript>
+
+    <body>
+        <h1>Test internet:</h1>
+
+        <h1 id="esito">(in corso...)</h1>
+
+        <a style="color: gold" href="/resources/guida.pdf">Guida in PDF su come disabilitare internet</a>
+
+        <br><br><hr>
+        Version of this checker: <b>4</b> <br>
+        Current UTC datetime: <b><span id="datetime"></span></b> <br>
+        Successful tests: <b><span id="successful-tests">0</span>/4</b> <br>
+        User agent: <b><span id="useragent"></span></b> <br>
+    </body>
+
+    <script>
+        document.getElementById("datetime").innerHTML = (new Date()).toUTCString();
+        document.getElementById("useragent").innerHTML = navigator.userAgent;
+    </script>
+<html>
+
diff --git a/public/resources/bugatti.pdf b/public/resources/bugatti.pdf
diff --git a/public/resources/guida.pdf b/public/resources/guida.pdf
diff --git a/public/resources/informativa_gdpr.pdf b/public/resources/informativa_gdpr.pdf
diff --git a/public/resources/informativa_referenti.pdf b/public/resources/informativa_referenti.pdf
diff --git a/public/resources/informativa_scuole.pdf b/public/resources/informativa_scuole.pdf
diff --git a/public/resources/informativa_studenti.pdf b/public/resources/informativa_studenti.pdf
diff --git a/public/resources/lock.sh b/public/resources/lock.sh
@@ -0,0 +1,20 @@
+#!/bin/sh -e
+
+WS="159.149.129.94"
+DOMAIN="gara.squadre.olinfo.it"
+
+IPTABLES="/sbin/iptables"
+
+$IPTABLES -P INPUT DROP
+$IPTABLES -P OUTPUT DROP
+$IPTABLES -P FORWARD DROP
+
+$IPTABLES -A INPUT -i lo -j ACCEPT
+$IPTABLES -A OUTPUT -o lo -j ACCEPT
+
+$IPTABLES -A OUTPUT -d $WS -p tcp -j ACCEPT
+
+$IPTABLES -A OUTPUT -m state --state RELATED,ESTABLISHED -j ACCEPT
+$IPTABLES -A INPUT -m state --state RELATED,ESTABLISHED -j ACCEPT
+
+echo $WS $DOMAIN >> /etc/hosts
diff --git a/public/resources/regolamento.pdf b/public/resources/regolamento.pdf
diff --git a/public/resources/syllabus.pdf b/public/resources/syllabus.pdf
diff --git a/public/resources/unlock.sh b/public/resources/unlock.sh
@@ -0,0 +1,15 @@
+#!/bin/sh -e
+
+WS="159.149.129.94"
+DOMAIN="squadre.olinfo.it"  # usiamo vecchio dominio per retrocompatibilita'
+                            # tanto sed cancella lo stesso la cosa giusta
+
+IPTABLES="/sbin/iptables"
+
+$IPTABLES -P INPUT ACCEPT
+$IPTABLES -P FORWARD ACCEPT
+$IPTABLES -P OUTPUT ACCEPT
+$IPTABLES -F
+$IPTABLES -X
+
+sed -i "/$DOMAIN/d" /etc/hosts