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# SPDX-License-Identifier: GPL-3.0-or-later
"""
Making temporary WebExtensions for use in the test suite
"""
# This file is part of Haketilo.
#
# Copyright (C) 2021 Wojtek Kosior <koszko@koszko.org>
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program 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 General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <https://www.gnu.org/licenses/>.
#
# I, Wojtek Kosior, thereby promise not to sue for violation of this file's
# license. Although I request that you do not make use of this code in a
# proprietary program, I am not going to enforce this in court.
import json
import zipfile
from pathlib import Path
from uuid import uuid4
from tempfile import TemporaryDirectory
import shutil
import subprocess
from .misc_constants import *
class ManifestTemplateValueToFill:
pass
def manifest_template():
return {
'manifest_version': 2,
'name': 'Haketilo test extension',
'version': '1.0',
'applications': {
'gecko': {
'id': ManifestTemplateValueToFill(),
'strict_min_version': '60.0'
}
},
'permissions': [
'contextMenus',
'webRequest',
'webRequestBlocking',
'activeTab',
'notifications',
'sessions',
'storage',
'tabs',
'<all_urls>',
'unlimitedStorage'
],
'content_security_policy': "object-src 'none'; script-src 'self' https://serve.scrip.ts;",
'web_accessible_resources': ['testpage.html'],
'options_ui': {
'page': 'testpage.html',
'open_in_tab': True
},
'background': {
'persistent': True,
'scripts': ['__open_test_page.js', 'background.js']
},
'content_scripts': [
{
'run_at': 'document_start',
'matches': ['<all_urls>'],
'match_about_blank': True,
'all_frames': True,
'js': ['content.js']
}
]
}
class ExtraHTML:
def __init__(self, html_path, append={}, wrap_into_htmldoc=True):
self.html_path = html_path
self.append = append
self.wrap_into_htmldoc = wrap_into_htmldoc
def add_to_xpi(self, xpi, tmpdir=None):
if tmpdir is None:
with TemporaryDirectory() as tmpdir:
return self.add_to_xpi(xpi, tmpdir)
append_flags = []
for filename, code in self.append.items():
append_flags.extend(['-A', f'{filename}:{code}'])
awk = subprocess.run(
['awk', '-f', awk_script_name, '--', *unit_test_defines,
*append_flags, '-H', self.html_path, '--write-js-deps',
'--output=files-to-copy', f'--output-dir={tmpdir}'],
stdout=subprocess.PIPE, cwd=script_root, check=True
)
for path in filter(None, awk.stdout.decode().split('\n')):
xpi.write(script_root / path, path)
tmpdir = Path(tmpdir)
for path in tmpdir.rglob('*'):
relpath = str(path.relative_to(tmpdir))
if not path.is_dir() and relpath != self.html_path:
xpi.write(path, relpath)
with open(tmpdir / self.html_path, 'rt') as html_file:
html = html_file.read()
if self.wrap_into_htmldoc:
html = f'<!DOCTYPE html><html><body>{html}</body></html>'
xpi.writestr(self.html_path, html)
default_background_script = ''
default_content_script = ''
default_test_page = '''
<!DOCTYPE html>
<html>
<head>
<title>Extension's options page for testing</title>
</head>
<body>
<h1>Extension's options page for testing</h1>
</body>
</html>
'''
open_test_page_script = '''(() => {
const page_url = browser.runtime.getURL("testpage.html");
const execute_details = {
code: `window.wrappedJSObject.ext_page_url=${JSON.stringify(page_url)};`
};
browser.tabs.query({currentWindow: true, active: true})
.then(t => browser.tabs.executeScript(t.id, execute_details));
})();'''
def make_extension(destination_dir,
background_script=default_background_script,
content_script=default_content_script,
test_page=default_test_page,
extra_files={}, extra_html=[]):
if not hasattr(extra_html, '__iter__'):
extra_html = [extra_html]
manifest = manifest_template()
extension_id = '{%s}' % uuid4()
manifest['applications']['gecko']['id'] = extension_id
files = {
'manifest.json' : json.dumps(manifest),
'__open_test_page.js': open_test_page_script,
'background.js' : background_script,
'content.js' : content_script,
'testpage.html' : test_page,
**extra_files
}
destination_path = destination_dir / f'{extension_id}.xpi'
with zipfile.ZipFile(destination_path, 'x') as xpi:
for filename, contents in files.items():
if hasattr(contents, '__call__'):
contents = contents()
xpi.writestr(filename, contents)
for html in extra_html:
html.add_to_xpi(xpi)
return destination_path
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