[directlink] send Referer headers (closes #536)

CHANGELOG.md

@@ -1,5 +1,7 @@
 # Changelog
 
+## Unreleased
+
 ## 1.12.1 - 2019-12-22
 ### Additions
 - [4chan] add extractor for entire boards ([#510](https://github.com/mikf/gallery-dl/issues/510))

gallery_dl/extractor/directlink.py

@@ -55,9 +55,11 @@ class DirectlinkExtractor(Extractor):
         for key, value in data.items():
             if value:
                 data[key] = text.unquote(value)
+
         data["path"], _, name = data["path"].rpartition("/")
         data["filename"], _, ext = name.rpartition(".")
         data["extension"] = ext.lower()
+        data["_http_headers"] = {"Referer": self.url}
 
         yield Message.Version, 1
         yield Message.Directory, data

gallery_dl/version.py

@@ -6,4 +6,4 @@
 # it under the terms of the GNU General Public License version 2 as
 # published by the Free Software Foundation.
 
-__version__ = "1.12.1"
+__version__ = "1.12.2-dev"