aboutsummaryrefslogtreecommitdiff
path: root/test/extension_crafting.py
blob: 680c45e4653f638eba3cfb2ac8311ce8243406b8 (about) (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
# 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, 2022 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
import re
import shutil
import subprocess

from pathlib import Path
from uuid import uuid4
from tempfile import TemporaryDirectory

from selenium.webdriver.support.ui import WebDriverWait
from selenium.common.exceptions import NoSuchElementException

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

extract_base_url_re = re.compile(r'^(.*)manifest.json$')

def get_extension_base_url(driver):
    """
    Extension's internall UUID is not directly exposed in Selenium. Instead, we
    can navigate to about:debugging and inspect the manifest URL present there
    to get the base url like:
        moz-extension://b225c78f-d108-4caa-8406-f38b37d8dee5/
    which can then be used to navigate to extension-bundled pages.
    """
    # For newer Firefoxes
    driver.get('about:debugging#/runtime/this-firefox')

    def get_manifest_link_newer_ff(driver):
        try:
            return driver.find_element_by_class_name('qa-manifest-url')
        except NoSuchElementException:
            pass

        try:
            details = driver.find_element_by_class_name('error-page-details')
        except NoSuchElementException:
            return False

        if '#/runtime/this-firefox' in details.text:
            return "not_newer_ff"

    manifest_link = WebDriverWait(driver, 10).until(get_manifest_link_newer_ff)

    if manifest_link == "not_newer_ff":
        driver.get("about:debugging#addons")
        driver.implicitly_wait(10)
        manifest_link = driver.find_element_by_class_name('manifest-url')
        driver.implicitly_wait(0)

    manifest_url = manifest_link.get_attribute('href')
    return extract_base_url_re.match(manifest_url).group(1)