Merge branch 'master' of https://francescomecca.eu/git/pesceWanda/Buridans_donkey

web/.gitignore

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+.dub
+docs.json
+__dummy.html
+docs/
+/web
+web.so
+web.dylib
+web.dll
+web.a
+web.lib
+web-test-*
+*.exe
+*.o
+*.obj
+*.lst

web/dub.sdl

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+name "web"
+description "Asino web version"
+authors "danseraf"
+copyright "Copyright © 2019, danseraf"
+license "GPLv3"
+dependency "vibe-d" version="~>0.8.5"
+versions "VibeDefaultMain"
+dflags "-J view/" 

web/dub.selections.json

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+{
+	"fileVersion": 1,
+	"versions": {
+		"botan": "1.12.10",
+		"botan-math": "1.0.3",
+		"diet-ng": "1.5.0",
+		"eventcore": "0.8.42",
+		"libasync": "0.8.4",
+		"libevent": "2.0.2+2.0.16",
+		"memutils": "0.4.13",
+		"mir-linux-kernel": "1.0.1",
+		"openssl": "1.1.6+1.0.1g",
+		"stdx-allocator": "2.77.5",
+		"sumtype": "0.8.6",
+		"taggedalgebraic": "0.11.4",
+		"vibe-core": "1.6.2",
+		"vibe-d": "0.8.5"
+	}
+}

web/source/app.d

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+import vibe.appmain;
+import vibe.http.server;
+import std.stdio;
+import std.range;
+import std.string;
+import std.exception;
+import std.array;
+import std.random;
+import std.file;
+
+const (string[]) shuffle(string[] args, const string t)
+{
+	if(t == "mt"){
+		Mt19937 gen;
+		gen.seed(unpredictableSeed);
+		args.randomShuffle(gen);
+	} else if (t == "x"){
+		Xorshift32 gen;
+		gen.seed(unpredictableSeed);
+		args.randomShuffle(gen);
+	} else if (t == "du"){
+		auto gen = DevRandomGen!"/dev/urandom"();
+		args.randomShuffle(gen);
+	} else if (t == "dr"){
+		auto gen = DevRandomGen!"/dev/random"();
+		args.randomShuffle(gen);
+	} else {
+		throw new Exception("Wrong arguments");
+	}
+	return args;
+}
+
+
+template DevRandomGen(string gen)
+	if (gen == "/dev/random" || gen == "/dev/urandom")
+{
+	struct DevRandomGen
+	{
+
+		alias UIntType = uint;
+  	  public:
+    	enum bool isUniformRandom = true;
+    	enum empty = false;
+    	/// Smallest generated value.
+    	enum UIntType min = 0;
+    	/// Largest generated value.
+    	enum UIntType max = ubyte.max;
+    	string src = gen;
+
+    	void seed(UIntType x0) @safe pure nothrow @nogc {}
+    	void popFront() @safe pure nothrow @nogc {}
+
+    	@property
+    	UIntType front() const { return (cast(ubyte[])(src.read(ubyte.sizeof)))[0]; }
+
+    	@property
+    	typeof(this) save() @safe pure nothrow @nogc { return this; }
+	}
+}
+
+void handleRequest(scope HTTPServerRequest req, scope HTTPServerResponse res)
+{
+    immutable path = req.requestPath.bySegment.array;
+    enforce(path.length == 3); // path[0] == ""
+    auto engine = path[1].toString;
+    auto args = path[2].toString.split(",");
+    const result = shuffle(args, engine);
+    immutable body = "Asino says:</br><ul>" ~ "<li>" ~ result.join("</li><li>") ~ "</ul>";
+    res.headers["Content-Type"] = "text/html";
+    res.writeBody(body);
+}
+
+shared static this()
+{
+    auto settings = new HTTPServerSettings;
+    settings.port = 8080;
+    settings.bindAddresses = ["::1", "127.0.0.1"];
+
+    listenHTTP(settings, &handleRequest);
+}