Add staging/hostlist

5 files changed, 167 insertions, 2 deletions

diff --git a/staging/adblock/filterlist.h b/staging/adblock/filterlist.h
index b67c187..24464c8 100644
--- a/staging/adblock/filterlist.h
+++ b/staging/adblock/filterlist.h
@@ -6,17 +6,16 @@
  * SPDX-License-Identifier: GPL-3.0
  */
 
+#include "rule.h"
 #include <QDateTime>
 #include <QObject>
 #include <QString>
 #include <QStringList>
 #include <QVector>
 #include <smolbote/filterinterface.hpp>
-#include "rule.h"
 
 namespace AdblockPlus
 {
-class Rule;
 class FilterList : public Filter
 {
 public:
@@ -43,6 +42,7 @@ public:
     }
 
     [[nodiscard]] static Rule *parseRule(const QByteArray &line);
+
 private:
     void parseComment(const QString &line);
 
diff --git a/staging/hostlist/filterlist.cpp b/staging/hostlist/filterlist.cpp
new file mode 100644
index 0000000..483ba7d
--- /dev/null
+++ b/staging/hostlist/filterlist.cpp
@@ -0,0 +1,29 @@
+/*
+ * This file is part of smolbote. It's copyrighted by the contributors recorded
+ * in the version control history of the file, available from its original
+ * location: https://library.iserlohn-fortress.net/aqua/smolbote.git
+ *
+ * SPDX-License-Identifier: GPL-3.0
+ */
+
+#include "filterlist.hpp"
+#include <QIODevice>
+#include <QTextStream>
+
+using namespace Hostlist;
+
+std::map<Filterlist::DomainHash, Filterlist::Rule> Filterlist::parseRule(const QString &line)
+{
+    auto parts = line.trimmed().split(' ');
+    if(parts.size() < 2) {
+        return {};
+    }
+
+    const auto redirect = (parts[0] == "0.0.0.0") ? QString() : parts[0];
+
+    std::map<DomainHash, Rule> r;
+    for(int i = 1; i < parts.size(); ++i) {
+        r.emplace(qHash(parts[i], 0), Filterlist::Rule{ parts[i], redirect });
+    }
+    return r;
+}
diff --git a/staging/hostlist/filterlist.hpp b/staging/hostlist/filterlist.hpp
new file mode 100644
index 0000000..24243e5
--- /dev/null
+++ b/staging/hostlist/filterlist.hpp
@@ -0,0 +1,43 @@
+/*
+ * This file is part of smolbote. It's copyrighted by the contributors recorded
+ * in the version control history of the file, available from its original
+ * location: https://library.iserlohn-fortress.net/aqua/smolbote.git
+ *
+ * SPDX-License-Identifier: GPL-3.0
+ */
+
+#pragma once
+
+#include <map>
+#include <smolbote/filterinterface.hpp>
+
+namespace Hostlist
+{
+
+class Filterlist final : public Filter
+{
+public:
+    Filterlist() = default;
+    ~Filterlist() = default;
+
+    [[nodiscard]] bool filter(QWebEngineUrlRequestInfo &info) const
+    {
+        return false;
+    }
+    [[nodiscard]] bool isUpToDate() const
+    {
+        return true;
+    }
+
+    typedef uint DomainHash;
+    struct Rule {
+        QString domain;
+        QString redirect;
+    };
+
+    [[nodiscard]] static std::map<DomainHash, Rule> parseRule(const QString &line);
+
+private:
+    std::map<DomainHash, Rule> rules;
+};
+} // namespace Hostlist
diff --git a/staging/hostlist/meson.build b/staging/hostlist/meson.build
new file mode 100644
index 0000000..d37db1b
--- /dev/null
+++ b/staging/hostlist/meson.build
@@ -0,0 +1,36 @@
+lib_hostlistfilter = static_library('hostlistfilter',
+                                    ['filterlist.cpp'],
+                                    include_directories
+                                    : smolbote_interfaces,
+                                    dependencies
+                                    : [dep_qt5])
+
+    dep_hostlistfilter
+    = declare_dependency(
+        include_directories
+        : ['.', smolbote_interfaces],
+        link_with
+        : lib_hostlistfilter)
+
+#AdblockPlusFilterPlugin = shared_library('AdblockPlusPlugin',
+#['plugin/plugin.cpp',
+#mod_qt5.preprocess(include_directories \
+    : smolbote_interfaces,
+#moc_headers : 'plugin/plugin.h', dependencies : dep_qt5)
+#],
+#include_directories : smolbote_interfaces,
+#link_with : lib_adblockfilter,
+#dependencies : dep_qt5,
+#install : true,
+#install_dir : get_option('libdir') / 'smolbote/plugins'
+#)
+
+        test('hostlist: rule parsing', executable('rule', sources
+                                                  : 'test/rule.cpp', dependencies
+                                                  : [dep_qt5, dep_catch, dep_hostlistfilter]))
+
+            subdir_done()
+
+                test('hostlist: filterlist', executable('filterlist', sources
+                                                        : 'test/filterlist.cpp', dependencies
+                                                        : [dep_qt5, dep_catch, dep_hostlistfilter]))
diff --git a/staging/hostlist/test/rule.cpp b/staging/hostlist/test/rule.cpp
new file mode 100644
index 0000000..6a16f86
--- /dev/null
+++ b/staging/hostlist/test/rule.cpp
@@ -0,0 +1,57 @@
+#define CATCH_CONFIG_MAIN
+#include "filterlist.hpp"
+#include <catch2/catch.hpp>
+
+using namespace Hostlist;
+
+SCENARIO("MatcherRule")
+{
+    GIVEN("an invalid rule")
+    {
+        const auto rule = Filterlist::parseRule("0.0.0.0 ");
+        REQUIRE(rule.empty());
+    }
+    GIVEN("127.0.0.1 localhost.localdomain")
+    {
+        auto rule = Filterlist::parseRule("127.0.0.1 localhost.localdomain");
+
+        REQUIRE(!rule.empty());
+        REQUIRE(rule.size() == 1);
+
+        // note: you need to force it to hash a string, rather than the address itself
+        const auto index = qHash(QString("localhost.localdomain"), 0);
+        REQUIRE(rule[index].domain == "localhost.localdomain");
+        REQUIRE(rule[index].redirect == "127.0.0.1");
+    }
+
+    GIVEN("0.0.0.0 blockeddomain.com")
+    {
+        auto rule = Filterlist::parseRule("0.0.0.0 blockeddomain.com");
+
+        REQUIRE(!rule.empty());
+        REQUIRE(rule.size() == 1);
+
+        const auto index = qHash(QString("blockeddomain.com"), 0);
+        REQUIRE(rule[index].domain == "blockeddomain.com");
+        REQUIRE(rule[index].redirect.isEmpty());
+        ;
+    }
+
+    GIVEN("0.0.0.0 blockeddomain.first blockeddomain.second")
+    {
+        auto rule = Filterlist::parseRule("0.0.0.0 blockeddomain.first blockeddomain.second");
+
+        REQUIRE(!rule.empty());
+        REQUIRE(rule.size() == 2);
+        {
+            const auto index = qHash(QString("blockeddomain.first"), 0);
+            REQUIRE(rule[index].domain == "blockeddomain.first");
+            REQUIRE(rule[index].redirect.isEmpty());
+        }
+        {
+            const auto index = qHash(QString("blockeddomain.second"), 0);
+            REQUIRE(rule[index].domain == "blockeddomain.second");
+            REQUIRE(rule[index].redirect.isEmpty());
+        }
+    }
+}