Replace MIT license with AGPLv3

License change required due to the inclusion of the AGPL-licensed
PyMuPDF. This library greatly benefited Dangerzone in many aspects
detailed in [1].

Fixes #658

[1]: #658

README.md

@@ -62,6 +62,14 @@ Dangerzone was inspired by [Qubes trusted PDF](https://blog.invisiblethings.org/
 
 Set up a development environment by following [these instructions](/BUILD.md).
 
+
+# License and Copyright
+
+**Dangerzone** is available under the [open-source license AGPL](https://www.gnu.org/licenses/agpl-3.0.html).
+
+Copyright (c) 2022-2024 Freedom of the Press Foundation and Dangerzone contributors
+Copyright (c) 2020-2021 First Look Media
+
 ## FAQ
 
 ### "I'm experiencing an issue while using Dangerzone."

install/linux/dangerzone.spec

@@ -36,7 +36,7 @@ Version:        0.5.1
 Release:        1%{?dist}
 Summary:        Take potentially dangerous PDFs, office documents, or images and convert them to safe PDFs
 
-License:        MIT
+License:        AGPL-3.0
 URL:            https://dangerzone.rocks
 
 # XXX: rpmbuild attempts to find a tarball in SOURCES using the basename in the

pyproject.toml

@@ -3,7 +3,7 @@ name = "dangerzone"
 version = "0.5.1"
 description = "Take potentially dangerous PDFs, office documents, or images and convert them to safe PDFs"
 authors = ["Freedom of the Press Foundation <[email protected]>", "Micah Lee <[email protected]>"]
-license = "MIT"
+license = "AGPL-3.0"
 include = [
     "share/",
     "qubes/",

setup.py

@@ -36,7 +36,7 @@ def data_files_list():
     version=version,
     author="Freedom of the Press Foundation",
     author_email="[email protected]",
-    license="MIT",
+    license="AGPL-3.0",
     description="Take potentially dangerous PDFs, office documents, or images and convert them to safe PDFs",
     long_description="""\
 Dangerzone is an open source desktop application that takes potentially \