Initial commit

4 files changed, 242 insertions, 0 deletions

diff --git a/src/backend/plugins/config-sysconfig/config-sysconfig.c b/src/backend/plugins/config-sysconfig/config-sysconfig.c
new file mode 100644
index 0000000..dd19893
--- /dev/null
+++ b/src/backend/plugins/config-sysconfig/config-sysconfig.c
@@ -0,0 +1,167 @@
+/* config-sysconfig.c
+ *
+ * Copyright 2023 Jan-Michael Brummer
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
+ *
+ * SPDX-License-Identifier: LGPL-2.1-or-later
+ */
+
+#include <libpeas/peas.h>
+
+#include "config-sysconfig.h"
+
+#include "px-plugin-config.h"
+#include "px-manager.h"
+
+struct _PxConfigSysConfig {
+  GObject parent_instance;
+
+  char *proxy_file;
+  gboolean available;
+
+  gboolean proxy_enabled;
+  char *https_proxy;
+  char *http_proxy;
+  char *ftp_proxy;
+  char *no_proxy;
+};
+
+static void px_config_iface_init (PxConfigInterface *iface);
+G_MODULE_EXPORT void peas_register_types (PeasObjectModule *module);
+
+G_DEFINE_FINAL_TYPE_WITH_CODE (PxConfigSysConfig,
+                               px_config_sysconfig,
+                               G_TYPE_OBJECT,
+                               G_IMPLEMENT_INTERFACE (PX_TYPE_CONFIG, px_config_iface_init))
+
+static void
+px_config_sysconfig_init (PxConfigSysConfig *self)
+{
+  g_autoptr (GFile) file = NULL;
+  g_autoptr (GError) error = NULL;
+  g_autoptr (GFileInputStream) istr = NULL;
+  g_autoptr (GDataInputStream) dstr = NULL;
+  const char *test_file = g_getenv ("PX_CONFIG_SYSCONFIG");
+  char *line = NULL;
+
+  self->proxy_file = g_strdup (test_file ? test_file : "/etc/sysconfig/proxy");
+  self->available = FALSE;
+
+  file = g_file_new_for_path (self->proxy_file);
+  if (!file) {
+    g_debug ("Could not create file\n");
+    return;
+  }
+
+  istr = g_file_read(file, NULL, NULL);
+  if (!istr) {
+    g_debug ("Could not read file\n");
+    return;
+  }
+
+  dstr = g_data_input_stream_new(G_INPUT_STREAM(istr));
+  if (!dstr)
+    return;
+
+  do {
+    g_clear_pointer (&line, g_free);
+
+    line = g_data_input_stream_read_line (dstr, NULL, NULL, &error);
+    if (line) {
+      g_auto (GStrv) kv = NULL;
+      g_autoptr (GString) value = NULL;
+      kv = g_strsplit (line, "=", -1);
+
+      if (g_strv_length (kv) != 2)
+        continue;
+
+      value = g_string_new (kv[1]);
+      g_string_replace (value, "\"", "", 0);
+
+      if (strcmp (kv[0], "PROXY_ENABLED") == 0) {
+        self->proxy_enabled = g_ascii_strncasecmp (value->str, "yes", 4) == 0;
+      } else if (strcmp (kv[0], "HTTPS_PROXY") == 0) {
+        self->https_proxy = g_strdup (value->str);
+      } else if (strcmp (kv[0], "HTTP_PROXY") == 0) {
+        self->http_proxy = g_strdup (value->str);
+      } else if (strcmp (kv[0], "FTP_PROXY") == 0) {
+        self->ftp_proxy = g_strdup (value->str);
+      } else if (strcmp (kv[0], "NO_PROXY") == 0) {
+        self->no_proxy = g_strdup (value->str);
+      }
+    }
+  } while (line);
+
+  self->available = TRUE;
+}
+
+static void
+px_config_sysconfig_class_init (PxConfigSysConfigClass *klass)
+{
+}
+
+static gboolean
+px_config_sysconfig_is_available (PxConfig *config)
+{
+  PxConfigSysConfig *self = PX_CONFIG_SYSCONFIG (config);
+
+  return self->available;
+}
+
+static gboolean
+px_config_sysconfig_get_config (PxConfig      *config,
+                                GUri          *uri,
+                                GStrvBuilder  *builder,
+                                GError       **error)
+{
+  PxConfigSysConfig *self = PX_CONFIG_SYSCONFIG (config);
+  const char *scheme = g_uri_get_scheme (uri);
+  g_autofree char *proxy = NULL;
+
+  if (!self->proxy_enabled)
+    return TRUE;
+
+  if (self->no_proxy && strstr (self->no_proxy, g_uri_get_host (uri)))
+    return TRUE;
+
+  if (g_strcmp0 (scheme, "ftp") == 0) {
+    proxy = g_strdup (self->ftp_proxy);
+  } else if (g_strcmp0 (scheme, "https") == 0) {
+    proxy = g_strdup (self->https_proxy);
+  } else if (g_strcmp0 (scheme, "http") == 0) {
+    proxy = g_strdup (self->http_proxy);
+  }
+
+  if (proxy)
+    g_strv_builder_add (builder, proxy);
+
+  return TRUE;
+}
+
+static void
+px_config_iface_init (PxConfigInterface *iface)
+{
+  iface->is_available = px_config_sysconfig_is_available;
+  iface->get_config = px_config_sysconfig_get_config;
+}
+
+G_MODULE_EXPORT void
+peas_register_types (PeasObjectModule *module)
+{
+  peas_object_module_register_extension_type (module,
+                                              PX_TYPE_CONFIG,
+                                              PX_CONFIG_TYPE_SYSCONFIG);
+}
diff --git a/src/backend/plugins/config-sysconfig/config-sysconfig.h b/src/backend/plugins/config-sysconfig/config-sysconfig.h
new file mode 100644
index 0000000..176da94
--- /dev/null
+++ b/src/backend/plugins/config-sysconfig/config-sysconfig.h
@@ -0,0 +1,35 @@
+/* config-sysconfig.h
+ *
+ * Copyright 2022-2023 Jan-Michael Brummer
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
+ *
+ * SPDX-License-Identifier: LGPL-2.1-or-later
+ */
+
+#pragma once
+
+#include <glib.h>
+#include <libpeas/peas.h>
+
+G_BEGIN_DECLS
+
+#define PX_CONFIG_TYPE_SYSCONFIG         (px_config_sysconfig_get_type ())
+
+G_DECLARE_FINAL_TYPE (PxConfigSysConfig, px_config_sysconfig, PX, CONFIG_SYSCONFIG, GObject)
+
+G_END_DECLS
+
+
diff --git a/src/backend/plugins/config-sysconfig/config-sysconfig.plugin b/src/backend/plugins/config-sysconfig/config-sysconfig.plugin
new file mode 100644
index 0000000..d164295
--- /dev/null
+++ b/src/backend/plugins/config-sysconfig/config-sysconfig.plugin
@@ -0,0 +1,6 @@
+[Plugin]
+Authors=Jan-Michael Brummer <jan.brummer@tabos.org>
+Copyright=Copyright © 2023 Jan-Michael Brummer
+Description=Read proxy configuration from /etc/sysconfig/proxy
+Module=config-sysconfig
+Name=sysconfig
\ No newline at end of file
diff --git a/src/backend/plugins/config-sysconfig/meson.build b/src/backend/plugins/config-sysconfig/meson.build
new file mode 100644
index 0000000..d5b3613
--- /dev/null
+++ b/src/backend/plugins/config-sysconfig/meson.build
@@ -0,0 +1,34 @@
+plugin_name = 'config-sysconfig'
+
+if get_option(plugin_name)
+
+plugin_src = [
+  '@0@.c'.format(plugin_name),
+]
+
+plugin_data = [
+  '@0@.plugin'.format(plugin_name),
+]
+
+plugin_lib = shared_module(
+  plugin_name,
+  plugin_src,
+  include_directories: px_backend_inc,
+  dependencies: [px_backend_dep],
+  install_dir: join_paths(px_plugins_dir, plugin_name),
+  install: true,
+  name_suffix: module_suffix,
+)
+
+# Starting with Meson 0.64 this can be replaced with fs.copyfile
+custom_target(
+  '@0@-data'.format(plugin_name),
+  input: plugin_data,
+  output: plugin_data,
+  command: ['cp', '@INPUT@', '@OUTDIR@'],
+  build_by_default: true,
+  install_dir: join_paths(px_plugins_dir, plugin_name),
+  install: true,
+)
+
+endif
\ No newline at end of file