script: add option script.scripts.url_force_https (closes #253)

src/plugins/script/script-action.c

@@ -600,7 +600,6 @@ script_action_install (int quiet)
 {
     struct t_script_repo *ptr_script_to_install;
     char *filename, *url;
-    int length;
     struct t_hashtable *options;
 
     while (1)
@@ -638,8 +637,7 @@ script_action_install (int quiet)
                                          NULL);
         if (options)
         {
-            length = 4 + strlen (ptr_script_to_install->url) + 1;
-            url = malloc (length);
+            url = script_build_download_url (ptr_script_to_install->url);
             if (url)
             {
                 if (!weechat_config_boolean (script_config_look_quiet_actions))
@@ -649,9 +647,6 @@ script_action_install (int quiet)
                                     SCRIPT_PLUGIN_NAME,
                                     ptr_script_to_install->name_with_extension);
                 }
-
-                snprintf (url, length, "url:%s",
-                          ptr_script_to_install->url);
                 weechat_hashtable_set (options, "file_out", filename);
                 weechat_hook_process_hashtable (url, options, 30000,
                                                 &script_action_install_process_cb,
@@ -1031,7 +1026,6 @@ script_action_show (const char *name, int quiet)
 {
     struct t_script_repo *ptr_script;
     char *filename, *url;
-    int length;
     struct t_hashtable *options;
 
     if (name)
@@ -1069,11 +1063,9 @@ script_action_show (const char *name, int quiet)
                                                      NULL);
                     if (options)
                     {
-                        length = 4 + strlen (ptr_script->url) + 1;
-                        url = malloc (length);
+                        url = script_build_download_url (ptr_script->url);
                         if (url)
                         {
-                            snprintf (url, length, "url:%s", ptr_script->url);
                             weechat_hashtable_set (options, "file_out", filename);
                             weechat_hook_process_hashtable (url, options, 30000,
                                                             &script_action_show_source_process_cb,

src/plugins/script/script-config.c

@@ -85,6 +85,7 @@ struct t_config_option *script_config_scripts_cache_expire;
 struct t_config_option *script_config_scripts_dir;
 struct t_config_option *script_config_scripts_hold;
 struct t_config_option *script_config_scripts_url;
+struct t_config_option *script_config_scripts_url_force_https;
 
 
 /*
@@ -705,6 +706,14 @@ script_config_init ()
         N_("URL for file with list of scripts"),
         NULL, 0, 0, "http://weechat.org/files/plugins.xml.gz", NULL, 0, NULL, NULL,
         NULL, NULL, NULL, NULL);
+    script_config_scripts_url_force_https = weechat_config_new_option (
+        script_config_file, ptr_section,
+        "url_force_https", "boolean",
+        N_("force use of HTTPS for downloads (index and scripts); "
+           "you should disable this option only if you have problems with "
+           "the downloads"),
+        NULL, 0, 0, "on", NULL, 0, NULL, NULL,
+        NULL, NULL, NULL, NULL);
 
     return 1;
 }

src/plugins/script/script-config.h

@@ -65,6 +65,7 @@ extern struct t_config_option *script_config_scripts_cache_expire;
 extern struct t_config_option *script_config_scripts_dir;
 extern struct t_config_option *script_config_scripts_hold;
 extern struct t_config_option *script_config_scripts_url;
+extern struct t_config_option *script_config_scripts_url_force_https;
 
 extern const char *script_config_get_diff_command ();
 extern char *script_config_get_dir ();

src/plugins/script/script-repo.c

@@ -1445,7 +1445,6 @@ void
 script_repo_file_update (int quiet)
 {
     char *filename, *url;
-    int length;
     struct t_hashtable *options;
 
     script_repo_remove_all ();
@@ -1461,8 +1460,8 @@ script_repo_file_update (int quiet)
                                      NULL);
     if (options)
     {
-        length = 4 + strlen (weechat_config_string (script_config_scripts_url)) + 1;
-        url = malloc (length);
+        url = script_build_download_url (
+            weechat_config_string (script_config_scripts_url));
         if (url)
         {
             if (!quiet)
@@ -1471,9 +1470,6 @@ script_repo_file_update (int quiet)
                                 _("%s: downloading list of scripts..."),
                                 SCRIPT_PLUGIN_NAME);
             }
-
-            snprintf (url, length, "url:%s",
-                      weechat_config_string (script_config_scripts_url));
             weechat_hashtable_set (options, "file_out", filename);
             weechat_hook_process_hashtable (url, options, 30000,
                                             &script_repo_file_update_process_cb,

src/plugins/script/script.c

@@ -95,6 +95,43 @@ script_language_search_by_extension (const char *extension)
     return -1;
 }
 
+/*
+ * Builds download URL (to use with hook_process or hook_process_hashtable).
+ *
+ * If the option script.scripts.url_force_https is enabled, the protocol is
+ * forced to HTTPS (if URL starts with "http://").
+ *
+ * Note: result must be freed after use.
+ */
+
+char *
+script_build_download_url (const char *url)
+{
+    char *result;
+    int length;
+
+    if (!url || !url[0])
+        return NULL;
+
+    /* length of url + "url:" + 1 (for httpS) */
+    length = 4 + 1 + strlen (url) + 1;
+    result = malloc (length);
+    if (!result)
+        return NULL;
+
+    if (weechat_config_boolean (script_config_scripts_url_force_https)
+        && (weechat_strncasecmp (url, "http://", 7) == 0))
+    {
+        snprintf (result, length, "url:https://%s", url + 7);
+    }
+    else
+    {
+        snprintf (result, length, "url:%s", url);
+    }
+
+    return result;
+}
+
 /*
  * Gets loaded plugins (in array of integers) and scripts (in hashtable).
  */

src/plugins/script/script.h

@@ -34,7 +34,7 @@ extern struct t_hashtable *script_loaded;
 
 extern int script_language_search (const char *language);
 extern int script_language_search_by_extension (const char *extension);
-extern void script_actions_add (const char *action);
+extern char *script_build_download_url (const char *url);
 extern void script_get_loaded_plugins_and_scripts ();
 
 #endif /* WEECHAT_SCRIPT_H */