Publish Vulpes Preview 15 sources for desktop, Android and Tundra
Share Gaia assets and adapters, keep private profiles and development documents local, and update both public READMEs.
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367
gaia/tools/preload.py
Executable file
367
gaia/tools/preload.py
Executable file
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# preload.py comes from https://github.com/mozilla-b2g/preload-app-toolkit/
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# DO NOT EDIT DIRECTLY, make PR's to above repo and copy across file
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#!/usr/bin/env python
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# -*- coding: utf-8 -*-
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import sys
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import urllib
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import base64
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import mimetypes
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import os
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import json
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import codecs
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from urlparse import urlparse
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from zipfile import ZipFile
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from datetime import datetime
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import time
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import shutil
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import re
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import logging
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import argparse
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APPCACHE_LOCAL_DEFAULT_PATH = 'cache/'
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APPCACHE_LOCAL_DEFAULT_NAME = 'manifest.appcache'
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logger = logging.getLogger('GaiaPreloadApp')
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logger.setLevel(logging.INFO)
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sh = logging.StreamHandler()
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logger.addHandler(sh)
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def set_logger_level(lv):
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logger.setLevel(lv)
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def has_scheme(url):
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return bool(url.scheme)
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def retrieve_from_url(url, target):
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"""
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save file from url
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"""
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if (os.path.isdir(target)):
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target += 'index.html'
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return urllib.urlretrieve(url, target)
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def open_from_url(url):
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"""
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return file object from url
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"""
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return urllib.urlopen(url)
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def get_absolute_url(domain, path, icon):
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icon_path = None
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origin = urlparse(''.join([domain, path]))
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if has_scheme(icon):
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return icon.geturl()
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if icon.path[0] == '/':
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icon_path = icon.path
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else:
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icon_path = '%s/%s' % (os.path.dirname(origin.path), icon.path)
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if(path.startswith('http')):
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return icon_path
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else:
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return '%s://%s%s' % (origin.scheme, origin.netloc, icon_path)
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def get_directory_name(appname):
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return re.sub(r'[\W\s]', '', appname).lower()
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def split_url(manifest_url):
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path = None
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url = urlparse(manifest_url)
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domain = '%s://%s' % (url.scheme, url.netloc)
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if url.path.count('/') > 1:
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path = ''.join([os.path.dirname(url.path), '/'])
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else:
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path = '/'
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return (domain, path)
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def convert_icon(image, mimetype):
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return 'data:%s;base64,%s' % (mimetype, base64.b64encode(image))
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def fetch_icon_from_url(url):
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image = open_from_url(url).read()
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return convert_icon(image, mimetypes.guess_type(url)[0])
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def fetch_icon(key, icons, domain, path, apppath):
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iconurl = get_absolute_url(domain, path,
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urlparse(icons[key]))
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icon_base64 = ''
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if iconurl[0] == '/':
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logger.info('locally...')
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icon_base64 = iconurl
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# fetch icon from url
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elif (iconurl.startswith('http') and
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(iconurl.endswith(".png") or iconurl.endswith(".jpg"))):
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logger.info(' ' + key + ' from internet...',)
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subfix = "/icon.png" if iconurl.endswith(".png") else "/icon.jpg"
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retrieve_from_url(iconurl, apppath + subfix)
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with open(apppath + subfix) as fd:
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image = fd.read()
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icon_base64 = convert_icon(image,
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mimetypes.guess_type(iconurl)[0])
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os.remove(apppath + subfix)
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# fetch icon from local
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else:
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icon_base64 = fetch_icon_from_url(iconurl)
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return icon_base64
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def get_resource_path_and_url(domain, workingdir, resource_path):
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if has_scheme(urlparse(resource_path)):
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resource_url = resource_path
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elif resource_path[0] == '/':
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resource_url = ''.join([domain, resource_path])
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resource_path = resource_path.lstrip('/')
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else:
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resource_url = ''.join([domain, workingdir, resource_path])
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resource_path = ''.join([workingdir, resource_path]).lstrip('/')
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return (resource_url, resource_path)
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def fetch_resource(domain, workingdir, local_dir, resource_path):
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"""
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fetch resource described in appcache manifest
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"""
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try:
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url, path = get_resource_path_and_url(domain, workingdir, resource_path)
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# create directories if not exist
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local_resource_path = ''.join([local_dir, path])
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local_resource_dir = os.path.dirname(local_resource_path)
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if not os.path.exists(local_resource_dir):
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os.makedirs(local_resource_dir)
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(_filename, _headers) = retrieve_from_url(url, local_resource_path)
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# I need to save the header at some place so they can be written (and processed at install time)
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return (path.lstrip('/'), _headers)
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except IOError as e:
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logger.info('IO failed ', e)
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except urllib.URLError as e:
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logger.info('fetch failed ', e)
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def get_appcache_manifest_dir(manifest_dir, appcache_path):
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logger.info('Manifest dir: ' + manifest_dir + '. appcache_path: ' + appcache_path)
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if (appcache_path[0] != '/'):
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result = os.path.join(manifest_dir, os.path.dirname(appcache_path))
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else:
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result = os.path.dirname(appcache_path)
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return result if result[-1] == '/' else result + '/'
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def get_appcache_manifest(domain, manifest_dir, app_dir, appcache_path):
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manifest = {
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'remote_dir': get_appcache_manifest_dir(manifest_dir, appcache_path),
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'filename': os.path.basename(appcache_path),
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'local_dir': os.path.join(app_dir, APPCACHE_LOCAL_DEFAULT_PATH)
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}
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manifest['local_path'] = os.path.join(manifest[
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'local_dir'], APPCACHE_LOCAL_DEFAULT_NAME)
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origin = urlparse(domain)
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base_path = '%s://%s' % (origin.scheme, origin.netloc)
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manifest['url'] = ''.join([base_path,
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manifest['remote_dir'],
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manifest['filename']])
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return manifest
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def format_resource_metadata(file, header):
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"""
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documentation here
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"""
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lastModified = header.getheader('last-modified', 'Epoch')
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lastFetched = header.getheader('date', 'Now')
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return '"' + file + '": { "lastModified": "' + lastModified + '", "lastFetched": "' + lastFetched + '"}'
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def fetch_appcache(domain, remote_dir, local_dir, lines):
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"""
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fetch appcache file described in manifest.webapp
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output:
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[appname]/cache/[name].appcache
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[appname]/cache/[resources] (if defined)
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"""
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newlines = []
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headers = []
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try:
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# retrieve resources from appcache
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curr = None
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SECTIONS = ['CACHE MANIFEST', 'NETWORK:', 'CACHE:', 'FALLBACK:']
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for line in lines:
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line = line.strip()
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if line in SECTIONS:
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curr = line
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newlines.append(line)
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continue
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if len(line) == 0 or line[0] == '#':
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newlines.append(line)
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continue
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if curr == SECTIONS[0] or curr == SECTIONS[2]:
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logger.info(' get resource ' + line + '...')
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(line, header) = fetch_resource(domain, remote_dir, local_dir, line)
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elif curr == SECTIONS[3]:
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logger.info(' get resource ' + line + '...')
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(_line, header) = fetch_resource(domain, remote_dir, local_dir,
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line.split(' ')[1])
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newlines.append(line)
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headers.append(format_resource_metadata(line, header))
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except Exception as e:
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logger.info(' fetch failed ', e)
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return (newlines, headers)
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def fetch_webapp(app_url, directory=None):
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"""
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get webapp file and parse for preinstalled webapp
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output:
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[appname]/manifest.webapp
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[appname]/metadata.json
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[appname]/update.webapp (if package_path is defined)
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[appname]/cache/ (if appcache_path is defined)
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"""
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domain, path = split_url(app_url)
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url = urlparse(app_url)
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metadata = {'origin': domain}
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manifest_filename = 'manifest.webapp'
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if url.scheme:
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logger.info('manifest: ' + app_url)
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logger.info('fetching manifest...')
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manifest_url = open_from_url(app_url)
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manifest = json.loads(manifest_url.read().decode('utf-8-sig'))
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metadata['installOrigin'] = 'https://marketplace.firefox.com'
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if 'etag' in manifest_url.headers:
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metadata['etag'] = manifest_url.headers['etag']
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else:
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logger.info('extract manifest from zip...')
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appzip = ZipFile(app_url, 'r').read('manifest.webapp')
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manifest = json.loads(appzip.decode('utf-8-sig'))
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appname = get_directory_name(manifest['name'])
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app_dir = appname
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if directory is not None:
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app_dir = os.path.join(directory, appname)
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if not os.path.exists(app_dir):
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os.mkdir(app_dir)
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if 'package_path' in manifest or not url.scheme:
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manifest_filename = 'update.webapp'
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filename = 'application.zip'
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metadata.pop('origin', None)
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if url.scheme:
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logger.info('downloading app...')
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path = manifest['package_path']
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retrieve_from_url(
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manifest['package_path'],
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os.path.join(app_dir, filename))
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metadata['manifestURL'] = url.geturl()
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package_url = open_from_url(path)
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if 'etag' in package_url.headers:
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metadata['packageEtag'] = package_url.headers['etag']
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else:
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logger.info('copying app...')
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shutil.copyfile(app_url, '%s%s%s' % (appname, os.sep, filename))
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metadata['manifestURL'] = ''.join(
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[domain, path, 'manifest.webapp'])
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manifest['package_path'] = ''.join(['/', filename])
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logger.info('fetching icons...')
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for key in manifest['icons']:
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manifest['icons'][key] = fetch_icon(
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key, manifest['icons'], domain, path, app_dir)
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if 'appcache_path' in manifest:
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metadata_info = [];
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logger.info('fetching appcache...',)
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appcache_manifest = get_appcache_manifest(
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domain, path, app_dir, manifest['appcache_path'])
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if not os.path.exists(appcache_manifest['local_dir']):
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os.makedirs(appcache_manifest['local_dir'])
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logger.info(' from ' + appcache_manifest['url'])
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logger.info(' save to ' + appcache_manifest['local_path'],)
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( _filename, headerAC ) = retrieve_from_url(appcache_manifest['url'],
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appcache_manifest['local_path'])
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lines = []
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with open(appcache_manifest['local_path']) as fd:
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lines = fd.readlines()
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(lines, headers) = fetch_appcache(domain, appcache_manifest['remote_dir'],
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appcache_manifest['local_dir'], lines)
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with open(appcache_manifest['local_path'], 'w') as fd:
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logger.info('overwrite new appcache')
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lines.append('')
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fd.write('\n'.join(lines))
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with open(appcache_manifest['local_dir'] + '../resources_metadata.json', 'w') as resources:
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resources.write('{\n');
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headers.append(format_resource_metadata(appcache_manifest['local_path'], headerAC))
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resources.write(',\n'.join(headers))
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resources.write('\n}\n');
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# add manifestURL for update
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metadata['manifestURL'] = app_url
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metadata['external'] = True
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f = file(os.path.join(app_dir, 'metadata.json'), 'w')
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f.write(json.dumps(metadata))
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f.close()
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f = codecs.open(os.path.join(app_dir, manifest_filename), 'w', 'utf-8')
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f.write(json.dumps(manifest, ensure_ascii=False))
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return manifest
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def main():
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parser = argparse.ArgumentParser(description = 'Preload webapps.')
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parser.add_argument('--root', default=os.getcwd(),
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help = 'Root directory to run from')
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parser.add_argument('--icon',
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help = 'Fetch webapp icon')
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parser.add_argument('webapp', nargs = '?')
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args = parser.parse_args()
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os.chdir(args.root)
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print args.root
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# icon convertion script
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if (args.icon):
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result = fetch_icon_from_url(args.icon)
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logger.info(result.replace('/', '\/'))
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# fetch single webapp
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elif (args.webapp):
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fetch_webapp(args.webapp)
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else:
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# automatically read and compose customized webapp from list
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# support csv like list format with ',' separator, ex:
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#
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# Youtube,http://m.youtube.com/mozilla_youtube_webapp
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with open('list') as fd:
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while True:
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line = fd.readline()
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if (len(line.split(',')) > 1):
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fetch_webapp(line.split(',')[1].rstrip('\n'))
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else:
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break
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if __name__ == '__main__':
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main()
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