137 строки
4.4 KiB
Python
137 строки
4.4 KiB
Python
import re
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import sys
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from collections import defaultdict
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from email.Utils import formatdate
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from string import Template
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from time import time
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from urlparse import parse_qsl
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import jinja2
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import olympia.core.logger
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from utils import log_configure
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# This has to be imported after the settings so statsd knows where to log to.
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from django_statsd.clients import statsd
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# Go configure the log.
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log_configure()
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error_log = olympia.core.logger.getLogger('z.pfs')
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xml_template = """\
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<?xml version="1.0"?>
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<RDF:RDF xmlns:RDF="http://www.w3.org/1999/02/22-rdf-syntax-ns#" xmlns:pfs="http://www.mozilla.org/2004/pfs-rdf#">
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<RDF:Description about="urn:mozilla:plugin-results:$mimetype">
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<pfs:plugins><RDF:Seq>
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<RDF:li resource="urn:mozilla:plugin"/>
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</RDF:Seq></pfs:plugins>
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</RDF:Description>
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<RDF:Description about="urn:mozilla:plugin">
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<pfs:updates><RDF:Seq>
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<RDF:li resource="urn:mozilla:plugin:updates"/>
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</RDF:Seq></pfs:updates>
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</RDF:Description>
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<RDF:Description about="urn:mozilla:plugin:updates">
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<pfs:name>$name</pfs:name>
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<pfs:requestedMimetype>$mimetype</pfs:requestedMimetype>
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<pfs:manualInstallationURL>$manualInstallationURL</pfs:manualInstallationURL>
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</RDF:Description>
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</RDF:RDF>
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"""
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quicktime_re = re.compile(r'^image/(pict|png|tiff|x-(macpaint|pict|png|quicktime|sgi|targa|tiff))$')
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java_re = re.compile(r'^application/x-java-.*$')
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def get_output(data):
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g = defaultdict(str, [(k, jinja2.escape(v)) for k, v in data.iteritems()])
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required = ['mimetype', 'appID', 'appVersion', 'clientOS', 'chromeLocale']
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# Some defaults we override depending on what we find below.
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plugin = dict(mimetype='-1', name='-1',
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manualInstallationURL='')
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# Special case for mimetype if they are provided.
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plugin['mimetype'] = g['mimetype'] or '-1'
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output = Template(xml_template)
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for s in required:
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if s not in data:
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# A sort of 404, matching what was returned in the original PHP.
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return output.substitute(plugin)
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# Figure out what plugins we've got, and what plugins we know where
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# to get.
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# Begin our huge and embarrassing if-else statement.
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if g['mimetype'] in ['application/x-shockwave-flash',
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'application/futuresplash']:
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# Tell the user where they can go to get the installer.
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plugin.update(
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name='Adobe Flash Player',
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manualInstallationURL='https://get.adobe.com/flashplayer/')
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elif g['mimetype'] == 'application/x-director':
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plugin.update(
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name='Adobe Shockwave Player',
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manualInstallationURL='https://get.adobe.com/shockwave/')
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elif quicktime_re.match(g['mimetype']):
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# Well, we don't have a plugin that can handle any of those
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# mimetypes, but the Apple Quicktime plugin can. Point the user to
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# the Quicktime download page.
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plugin.update(
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name='Apple Quicktime',
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InstallerShowsUI='true',
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manualInstallationURL='https://www.apple.com/quicktime/download/')
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elif java_re.match(g['mimetype']):
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# We don't want to link users directly to the Java plugin because
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# we want to warn them about ongoing security problems first. Link
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# to SUMO.
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plugin.update(
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name='Java Runtime Environment',
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manualInstallationURL='https://support.mozilla.org/kb/use-java-plugin-to-view-interactive-content')
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# End ridiculously huge and embarrassing if-else block.
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return output.substitute(plugin)
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def format_date(secs):
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return '%s GMT' % formatdate(time() + secs)[:25]
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def get_headers(length):
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return [('Content-Type', 'text/xml; charset=utf-8'),
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('Cache-Control', 'public, max-age=3600'),
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('Last-Modified', format_date(0)),
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('Expires', format_date(3600)),
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('Content-Length', str(length))]
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def log_exception(data):
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(typ, value, traceback) = sys.exc_info()
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error_log.error(u'Type: %s, %s. Query: %s' % (typ, value, data))
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def application(environ, start_response):
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status = '200 OK'
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with statsd.timer('services.pfs'):
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data = dict(parse_qsl(environ['QUERY_STRING']))
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try:
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output = get_output(data).encode('utf-8')
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start_response(status, get_headers(len(output)))
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except:
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log_exception(data)
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raise
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return [output]
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