|
|
|
@ -68,6 +68,45 @@ class LPInReleaseCacheError(LPInReleaseBaseError):
|
|
|
|
class LPInReleaseProxyError(LPInReleaseBaseError):
|
|
|
|
class LPInReleaseProxyError(LPInReleaseBaseError):
|
|
|
|
pass
|
|
|
|
pass
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
IN_LP = "http://ftpmaster.internal/ubuntu" in os.environ.get("LB_PARENT_MIRROR_BOOTSTRAP", "")
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
# We cannot proxy & rewrite https requests Thus apt will talk to us
|
|
|
|
|
|
|
|
# over http But we must upgrade to https for private-ppas, outside of
|
|
|
|
|
|
|
|
# launchpad hence use this helper to re-write urls.
|
|
|
|
|
|
|
|
def get_uri(host, path):
|
|
|
|
|
|
|
|
if host in ("private-ppa.launchpad.net", "private-ppa.buildd"):
|
|
|
|
|
|
|
|
if IN_LP:
|
|
|
|
|
|
|
|
return "http://private-ppa.buildd" + path
|
|
|
|
|
|
|
|
else:
|
|
|
|
|
|
|
|
return "https://private-ppa.launchpad.net" + path
|
|
|
|
|
|
|
|
# TODO add split mirror handling for ftpmaster.internal =>
|
|
|
|
|
|
|
|
# (ports|archive).ubuntu.com
|
|
|
|
|
|
|
|
return "http://" + host + path
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
def initialize_auth():
|
|
|
|
|
|
|
|
auth_handler = urllib.request.HTTPBasicAuthHandler()
|
|
|
|
|
|
|
|
with open('/etc/apt/sources.list') as f:
|
|
|
|
|
|
|
|
for line in f.readlines():
|
|
|
|
|
|
|
|
for word in line.split():
|
|
|
|
|
|
|
|
if not word.startswith('http'):
|
|
|
|
|
|
|
|
continue
|
|
|
|
|
|
|
|
parse=urllib.parse.urlparse(word)
|
|
|
|
|
|
|
|
if not parse.username:
|
|
|
|
|
|
|
|
continue
|
|
|
|
|
|
|
|
if parse.hostname not in ("private-ppa.launchpad.net", "private-ppa.buildd"):
|
|
|
|
|
|
|
|
continue
|
|
|
|
|
|
|
|
auth_handler.add_password(
|
|
|
|
|
|
|
|
"Token Required", "https://private-ppa.launchpad.net" + parse.path,
|
|
|
|
|
|
|
|
parse.username, parse.password)
|
|
|
|
|
|
|
|
auth_handler.add_password(
|
|
|
|
|
|
|
|
"Token Required", "http://private-ppa.buildd" + parse.path,
|
|
|
|
|
|
|
|
parse.username, parse.password)
|
|
|
|
|
|
|
|
print("add password for", parse.path)
|
|
|
|
|
|
|
|
opener = urllib.request.build_opener(auth_handler)
|
|
|
|
|
|
|
|
urllib.request.install_opener(opener)
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
initialize_auth()
|
|
|
|
|
|
|
|
|
|
|
|
class InRelease:
|
|
|
|
class InRelease:
|
|
|
|
"""This class represents an InRelease file."""
|
|
|
|
"""This class represents an InRelease file."""
|
|
|
|
|
|
|
|
|
|
|
|
@ -97,7 +136,8 @@ class InRelease:
|
|
|
|
this is set explicitly to correspond to the Last-Modified header spat
|
|
|
|
this is set explicitly to correspond to the Last-Modified header spat
|
|
|
|
out by the Web server.
|
|
|
|
out by the Web server.
|
|
|
|
"""
|
|
|
|
"""
|
|
|
|
self.mirror = mirror
|
|
|
|
parsed = urllib.parse.urlparse(mirror)
|
|
|
|
|
|
|
|
self.mirror = get_uri(parsed.hostname, parsed.path)
|
|
|
|
self.suite = suite
|
|
|
|
self.suite = suite
|
|
|
|
self.data = data
|
|
|
|
self.data = data
|
|
|
|
self.dict = {}
|
|
|
|
self.dict = {}
|
|
|
|
@ -363,7 +403,7 @@ class LPInReleaseCache:
|
|
|
|
suite."""
|
|
|
|
suite."""
|
|
|
|
with self._lock:
|
|
|
|
with self._lock:
|
|
|
|
url_obj = urllib.parse.urlparse(mirror)
|
|
|
|
url_obj = urllib.parse.urlparse(mirror)
|
|
|
|
address = url_obj.hostname + url_obj.path.rstrip("/")
|
|
|
|
address = url_obj.scheme + url_obj.hostname + url_obj.path.rstrip("/")
|
|
|
|
|
|
|
|
|
|
|
|
inrel_by_hash = self._data\
|
|
|
|
inrel_by_hash = self._data\
|
|
|
|
.get(address, {})\
|
|
|
|
.get(address, {})\
|
|
|
|
@ -403,7 +443,8 @@ class LPInReleaseIndex:
|
|
|
|
which case all look-ups will first go to the cache and only cache
|
|
|
|
which case all look-ups will first go to the cache and only cache
|
|
|
|
misses will result in requests to the Web server.
|
|
|
|
misses will result in requests to the Web server.
|
|
|
|
"""
|
|
|
|
"""
|
|
|
|
self._mirror = mirror
|
|
|
|
parsed = urllib.parse.urlparse(mirror)
|
|
|
|
|
|
|
|
self._mirror = get_uri(parsed.hostname, parsed.path)
|
|
|
|
self._suite = suite
|
|
|
|
self._suite = suite
|
|
|
|
self._cache = cache
|
|
|
|
self._cache = cache
|
|
|
|
|
|
|
|
|
|
|
|
@ -528,7 +569,8 @@ class LPInReleaseIndex:
|
|
|
|
return [inrel.hash for inrel in cache_entry]
|
|
|
|
return [inrel.hash for inrel in cache_entry]
|
|
|
|
|
|
|
|
|
|
|
|
try:
|
|
|
|
try:
|
|
|
|
with urllib.request.urlopen(self._base_url) as response:
|
|
|
|
request=urllib.request.Request(self._base_url)
|
|
|
|
|
|
|
|
with urllib.request.urlopen(request) as response:
|
|
|
|
content_encoding = self._guess_content_encoding_for_response(
|
|
|
|
content_encoding = self._guess_content_encoding_for_response(
|
|
|
|
response)
|
|
|
|
response)
|
|
|
|
|
|
|
|
|
|
|
|
@ -744,6 +786,23 @@ class ProxyingHTTPRequestHandler(http.server.BaseHTTPRequestHandler):
|
|
|
|
"""Process a GET request."""
|
|
|
|
"""Process a GET request."""
|
|
|
|
self.__get_request()
|
|
|
|
self.__get_request()
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
def sanitize_requestline(self):
|
|
|
|
|
|
|
|
requestline = []
|
|
|
|
|
|
|
|
for word in self.requestline.split():
|
|
|
|
|
|
|
|
if word.startswith('http'):
|
|
|
|
|
|
|
|
parse = urllib.parse.urlparse(word)
|
|
|
|
|
|
|
|
parse = urllib.parse.ParseResult(
|
|
|
|
|
|
|
|
parse.scheme,
|
|
|
|
|
|
|
|
parse.hostname, # not netloc, to sanitize username/password
|
|
|
|
|
|
|
|
parse.path,
|
|
|
|
|
|
|
|
parse.params,
|
|
|
|
|
|
|
|
parse.query,
|
|
|
|
|
|
|
|
parse.fragment)
|
|
|
|
|
|
|
|
requestline.append(urllib.parse.urlunparse(parse))
|
|
|
|
|
|
|
|
else:
|
|
|
|
|
|
|
|
requestline.append(word)
|
|
|
|
|
|
|
|
self.requestline = ' '.join(requestline)
|
|
|
|
|
|
|
|
|
|
|
|
def __get_request(self, verb="GET"):
|
|
|
|
def __get_request(self, verb="GET"):
|
|
|
|
"""Pass all requests on to the destination server 1:1 except when the
|
|
|
|
"""Pass all requests on to the destination server 1:1 except when the
|
|
|
|
target is an InRelease file or a resource listed in an InRelease files.
|
|
|
|
target is an InRelease file or a resource listed in an InRelease files.
|
|
|
|
@ -756,15 +815,18 @@ class ProxyingHTTPRequestHandler(http.server.BaseHTTPRequestHandler):
|
|
|
|
happening here, the client does not know that what it receives is not
|
|
|
|
happening here, the client does not know that what it receives is not
|
|
|
|
exactly what it requested."""
|
|
|
|
exactly what it requested."""
|
|
|
|
|
|
|
|
|
|
|
|
host, path = self.__get_host_path()
|
|
|
|
uri = self.headers.get("host") + self.path
|
|
|
|
|
|
|
|
parsed = urllib.parse.urlparse(uri)
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
self.sanitize_requestline()
|
|
|
|
|
|
|
|
|
|
|
|
m = re.match(
|
|
|
|
m = re.match(
|
|
|
|
r"^(?P<base>.*?)/dists/(?P<suite>[^/]+)/(?P<target>.*)$",
|
|
|
|
r"^(?P<base>.*?)/dists/(?P<suite>[^/]+)/(?P<target>.*)$",
|
|
|
|
path
|
|
|
|
parsed.path
|
|
|
|
)
|
|
|
|
)
|
|
|
|
|
|
|
|
|
|
|
|
if m:
|
|
|
|
if m:
|
|
|
|
mirror = "http://" + host + m.group("base")
|
|
|
|
mirror = get_uri(parsed.hostname, m.group("base"))
|
|
|
|
base = m.group("base")
|
|
|
|
base = m.group("base")
|
|
|
|
suite = m.group("suite")
|
|
|
|
suite = m.group("suite")
|
|
|
|
target = m.group("target")
|
|
|
|
target = m.group("target")
|
|
|
|
@ -775,27 +837,17 @@ class ProxyingHTTPRequestHandler(http.server.BaseHTTPRequestHandler):
|
|
|
|
self.server.snapshot_stamp)
|
|
|
|
self.server.snapshot_stamp)
|
|
|
|
|
|
|
|
|
|
|
|
if inrelease is None:
|
|
|
|
if inrelease is None:
|
|
|
|
self.__send_error(404, "No InRelease file found for given "
|
|
|
|
self.log_message(
|
|
|
|
|
|
|
|
"InRelease not found for {}/{}".format(parsed.hostname, parsed.path))
|
|
|
|
|
|
|
|
self.send_error(404, "No InRelease file found for given "
|
|
|
|
"mirror, suite and timestamp.")
|
|
|
|
"mirror, suite and timestamp.")
|
|
|
|
return
|
|
|
|
return
|
|
|
|
|
|
|
|
|
|
|
|
if target == "InRelease":
|
|
|
|
hash_ = None
|
|
|
|
# If target is InRelease, send back contents directly.
|
|
|
|
|
|
|
|
data = inrelease.data.encode("utf-8")
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
self.log_message(
|
|
|
|
|
|
|
|
"Inject InRelease '{}'".format(inrelease.hash))
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
self.send_response(200)
|
|
|
|
|
|
|
|
self.send_header("Content-Length", len(data))
|
|
|
|
|
|
|
|
self.end_headers()
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
if verb == "GET":
|
|
|
|
|
|
|
|
self.wfile.write(data)
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
return
|
|
|
|
if target == "InRelease":
|
|
|
|
|
|
|
|
hash_ = inrelease.hash
|
|
|
|
else:
|
|
|
|
else:
|
|
|
|
# If target hash is listed, then redirect to by-hash URL.
|
|
|
|
|
|
|
|
hash_ = inrelease.get_hash_for(target)
|
|
|
|
hash_ = inrelease.get_hash_for(target)
|
|
|
|
|
|
|
|
|
|
|
|
if hash_:
|
|
|
|
if hash_:
|
|
|
|
@ -804,21 +856,30 @@ class ProxyingHTTPRequestHandler(http.server.BaseHTTPRequestHandler):
|
|
|
|
|
|
|
|
|
|
|
|
target_path = target.rsplit("/", 1)[0]
|
|
|
|
target_path = target.rsplit("/", 1)[0]
|
|
|
|
|
|
|
|
|
|
|
|
path = "{}/dists/{}/{}/by-hash/SHA256/{}"\
|
|
|
|
uri = "{}/dists/{}/by-hash/SHA256/{}"\
|
|
|
|
.format(base, suite, target_path, hash_)
|
|
|
|
.format(mirror, suite, hash_)
|
|
|
|
|
|
|
|
else:
|
|
|
|
|
|
|
|
uri = get_uri(parsed.hostname, parsed.path)
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
## use requests such that authentication via password database happens
|
|
|
|
|
|
|
|
## reuse all the headers that we got asked to provide
|
|
|
|
try:
|
|
|
|
try:
|
|
|
|
client = http.client.HTTPConnection(host)
|
|
|
|
with urllib.request.urlopen(
|
|
|
|
client.request(verb, path)
|
|
|
|
urllib.request.Request(
|
|
|
|
except Exception as e:
|
|
|
|
uri,
|
|
|
|
self.log_error("Failed to retrieve http://{}{}: {}"
|
|
|
|
method=verb,
|
|
|
|
.format(host, path, str(e)))
|
|
|
|
headers=self.headers)) as response:
|
|
|
|
return
|
|
|
|
self.__send_response(response)
|
|
|
|
|
|
|
|
except urllib.error.HTTPError as e:
|
|
|
|
|
|
|
|
if e.code not in (304,):
|
|
|
|
|
|
|
|
self.log_message(
|
|
|
|
|
|
|
|
"urlopen() failed for {} with {}".format(uri, e.reason))
|
|
|
|
|
|
|
|
self.__send_response(e)
|
|
|
|
|
|
|
|
except urllib.error.URLError as e:
|
|
|
|
|
|
|
|
self.log_message(
|
|
|
|
|
|
|
|
"urlopen() failed for {} with {}".format(uri, e.reason))
|
|
|
|
|
|
|
|
self.send_error(501, e.reason)
|
|
|
|
|
|
|
|
|
|
|
|
try:
|
|
|
|
|
|
|
|
self.__send_response(client.getresponse())
|
|
|
|
|
|
|
|
except Exception as e:
|
|
|
|
|
|
|
|
self.log_error("Error delivering response: {}".format(str(e)))
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
def __get_host_path(self):
|
|
|
|
def __get_host_path(self):
|
|
|
|
"""Figure out the host to contact and the path of the resource that is
|
|
|
|
"""Figure out the host to contact and the path of the resource that is
|
|
|
|
@ -831,21 +892,27 @@ class ProxyingHTTPRequestHandler(http.server.BaseHTTPRequestHandler):
|
|
|
|
|
|
|
|
|
|
|
|
def __send_response(self, response):
|
|
|
|
def __send_response(self, response):
|
|
|
|
"""Pass on upstream response headers and body to the client."""
|
|
|
|
"""Pass on upstream response headers and body to the client."""
|
|
|
|
self.send_response(response.status)
|
|
|
|
if hasattr(response, "status"):
|
|
|
|
|
|
|
|
status = response.status
|
|
|
|
|
|
|
|
elif hassattr(response, "code"):
|
|
|
|
|
|
|
|
status = response.code
|
|
|
|
|
|
|
|
elif hasattr(response, "getstatus"):
|
|
|
|
|
|
|
|
status = response.getstatus()
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
if hasattr(response, "headers"):
|
|
|
|
|
|
|
|
headers = response.headers
|
|
|
|
|
|
|
|
elif hasattr(response, "info"):
|
|
|
|
|
|
|
|
headers = response.info()
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
self.send_response(status)
|
|
|
|
|
|
|
|
|
|
|
|
for name, value in response.getheaders():
|
|
|
|
for name, value in headers.items():
|
|
|
|
self.send_header(name, value)
|
|
|
|
self.send_header(name, value)
|
|
|
|
|
|
|
|
|
|
|
|
self.end_headers()
|
|
|
|
self.end_headers()
|
|
|
|
|
|
|
|
if hasattr(response, "read"):
|
|
|
|
shutil.copyfileobj(response, self.wfile)
|
|
|
|
shutil.copyfileobj(response, self.wfile)
|
|
|
|
|
|
|
|
|
|
|
|
def __send_error(self, status, message):
|
|
|
|
|
|
|
|
"""Return an HTTP error status and a message in the response body."""
|
|
|
|
|
|
|
|
self.send_response(status)
|
|
|
|
|
|
|
|
self.send_header("Content-Type", "text/plain; charset=utf-8")
|
|
|
|
|
|
|
|
self.end_headers()
|
|
|
|
|
|
|
|
self.wfile.write(message.encode("utf-8"))
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
class MagicHTTPProxy(socketserver.ThreadingMixIn, http.server.HTTPServer):
|
|
|
|
class MagicHTTPProxy(socketserver.ThreadingMixIn, http.server.HTTPServer):
|
|
|
|
"""Tiny HTTP server using ProxyingHTTPRequestHandler instances to provide
|
|
|
|
"""Tiny HTTP server using ProxyingHTTPRequestHandler instances to provide
|
|
|
|
|
CloudBuilder
4 years ago