class NonAuthenticatedDumper(rhnHandler, dumper.XML_Dumper):
# pylint: disable=E1101,W0102,W0613,R0902,R0904
def __init__(self, req):
rhnHandler.__init__(self)
dumper.XML_Dumper.__init__(self)
self.headers_out = UserDictCase()
self._raw_stream = req
self._raw_stream.content_type = 'application/octet-stream'
self.compress_level = 0
# State machine
self._headers_sent = 0
self._is_closed = 0
self._compressed_stream = None
self.functions = [
'arches',
'arches_extra',
'channel_families',
'channels',
'get_comps',
'channel_packages_short',
'packages_short',
'packages',
'source_packages',
'errata',
'blacklist_obsoletes',
'product_names',
'get_rpm',
'kickstartable_trees',
'get_ks_file',
'orgs',
]
self.system_id = None
self._channel_family_query_template = """
select cfm.channel_family_id, 0 quantity
from rhnChannelFamilyMembers cfm,
rhnChannel c, rhnChannelFamily cf
where cfm.channel_id = c.id
and c.label in (%s)
and cfm.channel_family_id = cf.id
and cf.label != 'rh-public'
and (cf.org_id in (%s)
or cf.org_id is null)
union
select id channel_family_id, NULL quantity
from rhnChannelFamily
where label = 'rh-public'
"""
self._channel_family_query_public = """
select id channel_family_id, 0 quantity
from rhnChannelFamily
where org_id in (%s)
or org_id is null
"""
self._channel_family_query = None
def _send_headers(self, error=0, init_compressed_stream=1):
log_debug(4, "is_closed", self._is_closed)
if self._is_closed:
raise Exception("Trying to write to a closed connection")
if self._headers_sent:
return
self._headers_sent = 1
if self.compress_level:
self.headers_out['Content-Encoding'] = 'gzip'
# Send the headers
if error:
# No compression
self.compress_level = 0
self._raw_stream.content_type = 'text/xml'
for h, v in self.headers_out.items():
self._raw_stream.headers_out[h] = str(v)
self._raw_stream.send_http_header()
# If need be, start gzipping
if self.compress_level and init_compressed_stream:
log_debug(4, "Compressing with factor %s" % self.compress_level)
self._compressed_stream = gzip.GzipFile(None, "wb",
self.compress_level, self._raw_stream)
def send(self, data):
log_debug(3, "Sending %d bytes" % len(data))
try:
self._send_headers()
if self._compressed_stream:
log_debug(4, "Sending through a compressed stream")
self._compressed_stream.write(data)
else:
self._raw_stream.write(data)
except IOError:
log_error("Client appears to have closed connection")
self.close()
raise_with_tb(dumper.ClosedConnectionError, sys.exc_info()[2])
log_debug(5, "Bytes sent", len(data))
write = send
def close(self):
log_debug(2, "Closing")
if self._is_closed:
log_debug(3, "Already closed")
return
if self._compressed_stream:
log_debug(5, "Closing a compressed stream")
try:
self._compressed_stream.close()
except IOError:
e = sys.exc_info()[1]
# Remote end has closed connection already
log_error("Error closing the stream", str(e))
self._compressed_stream = None
self._is_closed = 1
log_debug(3, "Closed")
def set_channel_family_query(self, channel_labels=[]):
if not channel_labels:
# All null-pwned channel families
self._channel_family_query = self._channel_family_query_public % self.exportable_orgs
return self
self._channel_family_query = self._channel_family_query_template % (
', '.join(["'%s'" % x for x in channel_labels]),
self.exportable_orgs)
return self
def _get_channel_data(self, channels):
writer = ContainerWriter()
d = ChannelsDumper(writer, params=list(channels.values()))
d.dump()
data = writer.get_data()
# We don't care about <rhn-channels> here
channel_data = self._cleanse_channels(data[2])
return channel_data
def _cleanse_channels(channels_dom):
channels = {}
for dummy, attributes, child_elements in channels_dom:
channel_label = attributes['label']
channels[channel_label] = channel_entry = {}
packages = attributes['packages'].split()
del attributes['packages']
# Get dir of the prefix
prefix = "rhn-package-"
prefix_len = len(prefix)
packages = [int(x[prefix_len:]) for x in packages]
channel_entry['packages'] = packages
ks_trees = attributes['kickstartable-trees'].split()
channel_entry['ks_trees'] = ks_trees
# Clean up to reduce memory footprint if possible
attributes.clear()
# tag name to object prefix
maps = {
'source-packages': ('source_packages', 'rhn-source-package-'),
'rhn-channel-errata': ('errata', 'rhn-erratum-'),
}
# Now look for package sources
for tag_name, dummy, celem in child_elements:
if tag_name not in maps:
continue
field, prefix = maps[tag_name]
prefix_len = len(prefix)
# Hmm. x[1] is the attributes hash; we fetch the id and we get
# rid of te prefix, then we run that through int()
objects = []
for dummy, ceattr, dummy in celem:
obj_id = ceattr['id']
obj_id = int(obj_id[prefix_len:])
last_modified = localtime(ceattr['last-modified'])
objects.append((obj_id, last_modified))
channel_entry[field] = objects
# Clean up to reduce memory footprint if possible
del child_elements[:]
return channels
_cleanse_channels = staticmethod(_cleanse_channels)
# Dumper functions here
def dump_channel_families(self):
log_debug(2)
h = self.get_channel_families_statement()
h.execute()
writer = self._get_xml_writer()
d = dumper.SatelliteDumper(writer,
exportLib.ChannelFamiliesDumper(writer,
data_iterator=h, null_max_members=0,),)
d.dump()
writer.flush()
log_debug(4, "OK")
self.close()
return 0
def dump_channels(self, channel_labels=None):
log_debug(2)
channels = self._validate_channels(channel_labels=channel_labels)
writer = self._get_xml_writer()
d = dumper.SatelliteDumper(writer, dumper.ChannelsDumperEx(writer,
params=list(channels.values())))
d.dump()
writer.flush()
log_debug(4, "OK")
self.close()
return 0
def dump_channel_packages_short(self, channel_label, last_modified):
return dumper.XML_Dumper.dump_channel_packages_short(
self, channel_label, last_modified, filepath=None,
validate_channels=True, send_headers=True, open_stream=False)
def _packages(self, packages, prefix, dump_class, sources=0):
return dumper.XML_Dumper._packages(self, packages, prefix, dump_class, sources,
verify_packages=True)
def dump_errata(self, errata):
return dumper.XML_Dumper.dump_errata(self, errata, verify_errata=True)
def dump_kickstartable_trees(self, kickstart_labels=None):
return dumper.XML_Dumper.dump_kickstartable_trees(self, kickstart_labels,
validate_kickstarts=True)
def dump_product_names(self):
log_debug(4)
writer = self._get_xml_writer()
d = dumper.SatelliteDumper(writer, exportLib.ProductNamesDumper(writer))
d.dump()
writer.flush()
self.close()
return 0
def arches(self):
return self.dump_arches(rpm_arch_type_only=1)
def arches_extra(self):
return self.dump_server_group_type_server_arches(rpm_arch_type_only=1)
def blacklist_obsoletes(self):
return self.dump_blacklist_obsoletes()
def product_names(self):
return self.dump_product_names()
def channel_families(self, channel_labels=[]):
self.set_channel_family_query()
return self.dump_channel_families()
def channels(self, channel_labels, flags={}):
if not channel_labels:
channel_labels = []
self.set_channel_family_query(channel_labels=channel_labels)
return self.dump_channels(channel_labels=channel_labels)
def get_comps(self, channel):
return self.get_comps_file(channel)
def channel_packages_short(self, channel_label, last_modified):
self.set_channel_family_query(channel_labels=[channel_label])
return self.dump_channel_packages_short(channel_label, last_modified)
def packages(self, packages=[]):
self.set_channel_family_query()
return self.dump_packages(packages=packages)
def packages_short(self, packages=[]):
self.set_channel_family_query()
return self.dump_packages_short(packages=packages)
def source_packages(self, packages=[]):
self.set_channel_family_query()
return self.dump_source_packages(packages=packages)
def errata(self, errata=[]):
self.set_channel_family_query()
return self.dump_errata(errata=errata)
def orgs(self):
return self.dump_orgs()
def kickstartable_trees(self, kickstart_labels=[]):
self.set_channel_family_query()
return self.dump_kickstartable_trees(kickstart_labels=kickstart_labels)
def get_rpm(self, package, channel):
log_debug(1, package, channel)
return self._send_package_stream(package, channel)
def get_comps_file(self, channel):
comps_query = """
select relative_filename
from rhnChannelComps
where channel_id = (
select id
from rhnChannel
where label = :channel_label
)
order by id desc
"""
channel_comps_sth = rhnSQL.prepare(comps_query)
channel_comps_sth.execute(channel_label=channel)
row = channel_comps_sth.fetchone_dict()
if not row:
raise rhnFault(3015, "No comps file for channel [%s]" % channel)
path = os.path.join(CFG.MOUNT_POINT, row['relative_filename'])
if not os.path.exists(path):
log_error("Missing comps file [%s] for channel [%s]" % (path, channel))
raise rhnFault(3016, "Unable to retrieve comps file for channel [%s]" % channel)
return self._send_stream(path)
def get_ks_file(self, ks_label, relative_path):
log_debug(1, ks_label, relative_path)
h = rhnSQL.prepare("""
select base_path
from rhnKickstartableTree
where label = :ks_label
and org_id is null
""")
h.execute(ks_label=ks_label)
row = h.fetchone_dict()
if not row:
raise rhnFault(3003, "No such file %s in tree %s" %
(relative_path, ks_label))
path = os.path.join(CFG.MOUNT_POINT, row['base_path'], relative_path)
if not os.path.exists(path):
log_error("Missing file for satellite dumper: %s" % path)
raise rhnFault(3007, "Unable to retrieve file %s in tree %s" %
(relative_path, ks_label))
return self._send_stream(path)
# Sends a package over the wire
# prefix is whatever we prepend to the package id (rhn-package- or
# rhn-source-package-)
def _send_package_stream(self, package, channel):
log_debug(3, package, channel)
path, dummy = self.get_package_path_by_filename(package, channel)
log_debug(3, "Package path", path)
if not os.path.exists(path):
log_error("Missing package (satellite dumper): %s" % path)
raise rhnFault(3007, "Unable to retrieve package %s" % package)
return self._send_stream(path)
# This query is similar to the one aove, except that we have already
# authorized this channel (so no need for server_id)
_query_get_package_path_by_nvra = rhnSQL.Statement("""
select distinct
p.id, p.path
from rhnPackage p,
rhnChannelPackage cp,
rhnChannel c,
rhnPackageArch pa
where c.label = :channel
and cp.channel_id = c.id
and cp.package_id = p.id
and p.name_id = LOOKUP_PACKAGE_NAME(:name)
and p.evr_id = LOOKUP_EVR(:epoch, :version, :release)
and p.package_arch_id = pa.id
and pa.label = :arch
""")
def get_package_path_by_filename(self, fileName, channel):
log_debug(3, fileName, channel)
fileName = str(fileName)
n, e, v, r, a = rhnLib.parseRPMFilename(fileName)
h = rhnSQL.prepare(self._query_get_package_path_by_nvra)
h.execute(name=n, version=v, release=r, epoch=e, arch=a, channel=channel)
try:
return _get_path_from_cursor(h)
except InvalidPackageError:
log_debug(4, "Error", "Non-existent package requested", fileName)
raise_with_tb(rhnFault(17, _("Invalid RPM package %s requested") % fileName), sys.exc_info()[2])
except NullPathPackageError:
e = sys.exc_info()[1]
package_id = e[0]
log_error("Package path null for package id", package_id)
raise_with_tb(rhnFault(17, _("Invalid RPM package %s requested") % fileName), sys.exc_info()[2])
except MissingPackageError:
e = sys.exc_info()[1]
filePath = e[0]
log_error("Package not found", filePath)
raise_with_tb(rhnFault(17, _("Package not found")), sys.exc_info()[2])
# Opens the file and sends the stream
def _send_stream(self, path):
try:
stream = open(path)
except IOError:
e = sys.exc_info()[1]
if e.errno == 2:
raise_with_tb(rhnFault(3007, "Missing file %s" % path), sys.exc_info()[2])
# Let it flow so we can find it later
raise
stream.seek(0, 2)
file_size = stream.tell()
stream.seek(0, 0)
log_debug(3, "Package size", file_size)
self.headers_out['Content-Length'] = file_size
self.compress_level = 0
self._raw_stream.content_type = 'application/x-rpm'
self._send_headers()
self.send_rpm(stream)
return 0
def send_rpm(self, stream):
buffer_size = 65536
while 1:
buf = stream.read(buffer_size)
if not buf:
break
try:
self._raw_stream.write(buf)
except IOError:
# client closed the connection?
log_error("Client appears to have closed connection")
self.close_rpm()
raise_with_tb(dumper.ClosedConnectionError, sys.exc_info()[2])
self.close_rpm()
def close_rpm(self):
self._is_closed = 1
def _respond_xmlrpc(self, data):
# Marshal
s = xmlrpclib.dumps((data, ))
self.headers_out['Content-Length'] = len(s)
self._raw_stream.content_type = 'text/xml'
for h, v in self.headers_out.items():
self._raw_stream.headers_out[h] = str(v)
self._raw_stream.send_http_header()
self._raw_stream.write(s)
return 0
class NonAuthenticatedDumper(rhnHandler, dumper.XML_Dumper):
# pylint: disable=E1101,W0102,W0613,R0902,R0904
def __init__(self, req):
rhnHandler.__init__(self)
dumper.XML_Dumper.__init__(self)
self.headers_out = UserDictCase()
self._raw_stream = req
self._raw_stream.content_type = 'application/octet-stream'
self.compress_level = 0
# State machine
self._headers_sent = 0
self._is_closed = 0
self._compressed_stream = None
self.functions = [
'arches',
'arches_extra',
'channel_families',
'channels',
'get_comps',
'get_modules',
'channel_packages_short',
'packages_short',
'packages',
'source_packages',
'errata',
'blacklist_obsoletes',
'product_names',
'get_rpm',
'kickstartable_trees',
'get_ks_file',
'orgs',
'support_information',
'suse_products',
'suse_product_channels',
'suse_upgrade_paths',
'suse_product_extensions',
'suse_product_repositories',
'scc_repositories',
'suse_subscriptions',
'cloned_channels',
]
self.system_id = None
self._channel_family_query_template = """
select cfm.channel_family_id, 0 quantity
from rhnChannelFamilyMembers cfm,
rhnChannel c, rhnChannelFamily cf
where cfm.channel_id = c.id
and c.label in (%s)
and cfm.channel_family_id = cf.id
and cf.label != 'rh-public'
and (cf.org_id in (%s)
or cf.org_id is null)
union
select id channel_family_id, NULL quantity
from rhnChannelFamily
where label = 'rh-public'
"""
self._channel_family_query_public = """
select id channel_family_id, 0 quantity
from rhnChannelFamily
where org_id in (%s)
or org_id is null
"""
self._channel_family_query = None
def _send_headers(self, error=0, init_compressed_stream=1):
log_debug(4, "is_closed", self._is_closed)
if self._is_closed:
raise Exception("Trying to write to a closed connection")
if self._headers_sent:
return
self._headers_sent = 1
if self.compress_level:
self.headers_out['Content-Encoding'] = 'gzip'
# Send the headers
if error:
# No compression
self.compress_level = 0
self._raw_stream.content_type = 'text/xml'
for h, v in list(self.headers_out.items()):
self._raw_stream.headers_out[h] = str(v)
self._raw_stream.send_http_header()
# If need be, start gzipping
if self.compress_level and init_compressed_stream:
log_debug(4, "Compressing with factor %s" % self.compress_level)
self._compressed_stream = gzip.GzipFile(None, "wb",
self.compress_level,
self._raw_stream)
def send(self, data):
log_debug(3, "Sending %d bytes" % len(data))
try:
self._send_headers()
if self._compressed_stream:
log_debug(4, "Sending through a compressed stream")
self._compressed_stream.write(data)
else:
self._raw_stream.write(data)
except IOError:
log_error("Client appears to have closed connection")
self.close()
raise_with_tb(dumper.ClosedConnectionError, sys.exc_info()[2])
log_debug(5, "Bytes sent", len(data))
write = send
def close(self):
log_debug(2, "Closing")
if self._is_closed:
log_debug(3, "Already closed")
return
if self._compressed_stream:
log_debug(5, "Closing a compressed stream")
try:
self._compressed_stream.close()
except IOError:
e = sys.exc_info()[1]
# Remote end has closed connection already
log_error("Error closing the stream", str(e))
self._compressed_stream = None
self._is_closed = 1
log_debug(3, "Closed")
def set_channel_family_query(self, channel_labels=[]):
if not channel_labels:
# All null-pwned channel families
self._channel_family_query = self._channel_family_query_public % self.exportable_orgs
return self
self._channel_family_query = self._channel_family_query_template % (
', '.join(["'%s'" % x
for x in channel_labels]), self.exportable_orgs)
return self
def _get_channel_data(self, channels):
writer = ContainerWriter()
d = ChannelsDumper(writer, params=list(channels.values()))
d.dump()
data = writer.get_data()
# We don't care about <rhn-channels> here
channel_data = self._cleanse_channels(data[2])
return channel_data
def _cleanse_channels(channels_dom):
channels = {}
for dummy, attributes, child_elements in channels_dom:
channel_label = attributes['label']
channels[channel_label] = channel_entry = {}
packages = attributes['packages'].split()
del attributes['packages']
# Get dir of the prefix
prefix = "rhn-package-"
prefix_len = len(prefix)
packages = [int(x[prefix_len:]) for x in packages]
channel_entry['packages'] = packages
ks_trees = attributes['kickstartable-trees'].split()
channel_entry['ks_trees'] = ks_trees
# Clean up to reduce memory footprint if possible
attributes.clear()
# tag name to object prefix
maps = {
'source-packages': ('source_packages', 'rhn-source-package-'),
'rhn-channel-errata': ('errata', 'rhn-erratum-'),
}
# Now look for package sources
for tag_name, dummy, celem in child_elements:
if tag_name not in maps:
continue
field, prefix = maps[tag_name]
prefix_len = len(prefix)
# Hmm. x[1] is the attributes hash; we fetch the id and we get
# rid of te prefix, then we run that through int()
objects = []
for dummy, ceattr, dummy in celem:
obj_id = ceattr['id']
obj_id = int(obj_id[prefix_len:])
last_modified = localtime(ceattr['last-modified'])
objects.append((obj_id, last_modified))
channel_entry[field] = objects
# Clean up to reduce memory footprint if possible
del child_elements[:]
return channels
_cleanse_channels = staticmethod(_cleanse_channels)
# Dumper functions here
def dump_channel_families(self):
log_debug(2)
h = self.get_channel_families_statement()
h.execute()
writer = self._get_xml_writer()
d = dumper.SatelliteDumper(
writer,
exportLib.ChannelFamiliesDumper(
writer,
data_iterator=h,
null_max_members=0,
),
)
d.dump()
writer.flush()
log_debug(4, "OK")
self.close()
return 0
def dump_channels(self, channel_labels=None):
log_debug(2)
channels = self._validate_channels(channel_labels=channel_labels)
writer = self._get_xml_writer()
d = dumper.SatelliteDumper(
writer,
dumper.ChannelsDumperEx(writer, params=list(channels.values())))
d.dump()
writer.flush()
log_debug(4, "OK")
self.close()
return 0
def dump_channel_packages_short(self, channel_label, last_modified):
return dumper.XML_Dumper.dump_channel_packages_short(
self,
channel_label,
last_modified,
filepath=None,
validate_channels=True,
send_headers=True,
open_stream=False)
def _packages(self, packages, prefix, dump_class, sources=0):
return dumper.XML_Dumper._packages(self,
packages,
prefix,
dump_class,
sources,
verify_packages=True)
def dump_errata(self, errata):
return dumper.XML_Dumper.dump_errata(self, errata, verify_errata=True)
def dump_kickstartable_trees(self, kickstart_labels=None):
return dumper.XML_Dumper.dump_kickstartable_trees(
self, kickstart_labels, validate_kickstarts=True)
def dump_product_names(self):
return dumper.XML_Dumper.dump_product_names(self)
def dump_support_information(self):
log_debug(4)
writer = self._get_xml_writer()
d = dumper.SatelliteDumper(writer, exportLib.SupportInfoDumper(writer))
d.dump()
writer.flush()
self.close()
return 0
def dump_suse_products(self):
log_debug(4)
writer = self._get_xml_writer()
d = dumper.SatelliteDumper(writer, exportLib.SuseProductDumper(writer))
d.dump()
writer.flush()
self.close()
return 0
def dump_suse_product_channels(self):
log_debug(4)
writer = self._get_xml_writer()
d = dumper.SatelliteDumper(writer,
exportLib.SuseProductChannelDumper(writer))
d.dump()
writer.flush()
self.close()
return 0
def dump_suse_upgrade_paths(self):
log_debug(4)
writer = self._get_xml_writer()
d = dumper.SatelliteDumper(writer,
exportLib.SuseUpgradePathDumper(writer))
d.dump()
writer.flush()
self.close()
return 0
def dump_suse_product_extensions(self):
log_debug(4)
writer = self._get_xml_writer()
d = dumper.SatelliteDumper(
writer, exportLib.SuseProductExtensionDumper(writer))
d.dump()
writer.flush()
self.close()
return 0
def dump_suse_product_repositories(self):
log_debug(4)
writer = self._get_xml_writer()
d = dumper.SatelliteDumper(
writer, exportLib.SuseProductRepositoryDumper(writer))
d.dump()
writer.flush()
self.close()
return 0
def dump_scc_repositories(self):
log_debug(4)
writer = self._get_xml_writer()
d = dumper.SatelliteDumper(writer,
exportLib.SCCRepositoryDumper(writer))
d.dump()
writer.flush()
self.close()
return 0
def dump_suse_subscriptions(self):
log_debug(4)
writer = self._get_xml_writer()
d = dumper.SatelliteDumper(writer,
exportLib.SuseSubscriptionDumper(writer))
d.dump()
writer.flush()
self.close()
return 0
def dump_cloned_channels(self):
log_debug(4)
writer = self._get_xml_writer()
d = dumper.SatelliteDumper(writer,
exportLib.ClonedChannelsDumper(writer))
d.dump()
writer.flush()
self.close()
return 0
def arches(self):
return self.dump_arches(rpm_arch_type_only=1)
def arches_extra(self):
return self.dump_server_group_type_server_arches(rpm_arch_type_only=1)
def support_information(self):
self.dump_support_information()
def suse_products(self):
self.dump_suse_products()
def suse_product_channels(self):
self.dump_suse_product_channels()
def suse_upgrade_paths(self):
self.dump_suse_upgrade_paths()
def suse_product_extensions(self):
self.dump_suse_product_extensions()
def suse_product_repositories(self):
self.dump_suse_product_repositories()
def scc_repositories(self):
self.dump_scc_repositories()
def suse_subscriptions(self):
self.dump_suse_subscriptions()
def cloned_channels(self):
self.dump_cloned_channels()
def blacklist_obsoletes(self):
return self.dump_blacklist_obsoletes()
def product_names(self):
return self.dump_product_names()
def channel_families(self, channel_labels=[]):
self.set_channel_family_query()
return self.dump_channel_families()
def channels(self, channel_labels, flags={}):
if not channel_labels:
channel_labels = []
self.set_channel_family_query(channel_labels=channel_labels)
return self.dump_channels(channel_labels=channel_labels)
def get_comps(self, channel):
return self.get_repomd_file(channel, 1)
def get_modules(self, channel):
return self.get_repomd_file(channel, 2)
def channel_packages_short(self, channel_label, last_modified):
self.set_channel_family_query(channel_labels=[channel_label])
return self.dump_channel_packages_short(channel_label, last_modified)
def packages(self, packages=[]):
self.set_channel_family_query()
return self.dump_packages(packages=packages)
def packages_short(self, packages=[]):
self.set_channel_family_query()
return self.dump_packages_short(packages=packages)
def source_packages(self, packages=[]):
self.set_channel_family_query()
return self.dump_source_packages(packages=packages)
def errata(self, errata=[]):
self.set_channel_family_query()
return self.dump_errata(errata=errata)
def orgs(self):
return self.dump_orgs()
def kickstartable_trees(self, kickstart_labels=[]):
self.set_channel_family_query()
return self.dump_kickstartable_trees(kickstart_labels=kickstart_labels)
def get_rpm(self, package, channel, checksum):
log_debug(1, package, channel, checksum)
return self._send_package_stream(package, channel, checksum)
def get_repomd_file(self, channel, comps_type_id):
comps_query = """
select relative_filename
from rhnChannelComps
where channel_id = (
select id
from rhnChannel
where label = :channel_label
and comps_type_id = :ctype_id
)
order by id desc
"""
channel_comps_sth = rhnSQL.prepare(comps_query)
channel_comps_sth.execute(channel_label=channel,
ctype_id=comps_type_id)
row = channel_comps_sth.fetchone_dict()
if not row:
raise rhnFault(3015,
"No comps/modules file for channel [%s]" % channel)
path = os.path.join(CFG.MOUNT_POINT, row['relative_filename'])
if not os.path.exists(path):
log_error("Missing comps/modules file [%s] for channel [%s]" %
(path, channel))
raise rhnFault(
3016,
"Unable to retrieve comps/modules file for channel [%s]" %
channel)
return self._send_stream(path)
def get_ks_file(self, ks_label, relative_path):
log_debug(1, ks_label, relative_path)
h = rhnSQL.prepare("""
select base_path
from rhnKickstartableTree
where label = :ks_label
and org_id is null
""")
h.execute(ks_label=ks_label)
row = h.fetchone_dict()
if not row:
raise rhnFault(
3003, "No such file %s in tree %s" % (relative_path, ks_label))
path = os.path.join(CFG.MOUNT_POINT, row['base_path'], relative_path)
if not os.path.exists(path):
log_error("Missing file for SUSE Manager dumper: %s" % path)
raise rhnFault(
3007, "Unable to retrieve file %s in tree %s" %
(relative_path, ks_label))
return self._send_stream(path)
# Sends a package over the wire
# prefix is whatever we prepend to the package id (rhn-package- or
# rhn-source-package-)
def _send_package_stream(self, package, channel, checksum):
log_debug(3, package, channel, checksum)
path, dummy = self.get_package_path_by_filename(
package, channel, checksum)
log_debug(3, "Package path", path)
if not os.path.exists(path):
log_error("Missing package (SUSE Manager dumper): %s" % path)
raise rhnFault(3007, "Unable to retrieve package %s" % package)
return self._send_stream(path)
# This query is similar to the one aove, except that we have already
# authorized this channel (so no need for server_id)
_query_get_package_path_by_nvra_and_checksum = rhnSQL.Statement("""
select distinct
p.id, p.path
from rhnPackage p,
rhnChannelPackage cp,
rhnChannel c,
rhnPackageArch pa,
rhnChecksum ch
where c.label = :channel
and cp.channel_id = c.id
and cp.package_id = p.id
and p.name_id = LOOKUP_PACKAGE_NAME(:name)
and p.evr_id = LOOKUP_EVR(:epoch, :version, :release)
and p.package_arch_id = pa.id
and p.checksum_id = ch.id
and ch.checksum = :checksum
and pa.label = :arch
""")
def get_package_path_by_filename(self, fileName, channel, checksum):
log_debug(3, fileName, channel, checksum)
fileName = str(fileName)
n, e, v, r, a = rhnLib.parseRPMFilename(fileName)
h = rhnSQL.prepare(self._query_get_package_path_by_nvra_and_checksum)
h.execute(name=n,
version=v,
release=r,
epoch=e,
arch=a,
channel=channel,
checksum=checksum)
try:
return _get_path_from_cursor(h)
except InvalidPackageError:
log_debug(4, "Error", "Non-existent package requested", fileName)
raise_with_tb(
rhnFault(17,
_("Invalid RPM package %s requested") % fileName),
sys.exc_info()[2])
except NullPathPackageError:
e = sys.exc_info()[1]
package_id = e[0]
log_error("Package path null for package id", package_id)
raise_with_tb(
rhnFault(17,
_("Invalid RPM package %s requested") % fileName),
sys.exc_info()[2])
except MissingPackageError:
e = sys.exc_info()[1]
filePath = e[0]
log_error("Package not found", filePath)
raise_with_tb(rhnFault(17, _("Package not found")),
sys.exc_info()[2])
# Opens the file and sends the stream
def _send_stream(self, path):
try:
stream = open(path, mode="rb")
except IOError:
e = sys.exc_info()[1]
if e.errno == 2:
raise_with_tb(rhnFault(3007, "Missing file %s" % path),
sys.exc_info()[2])
# Let it flow so we can find it later
raise
stream.seek(0, 2)
file_size = stream.tell()
stream.seek(0, 0)
log_debug(3, "Package size", file_size)
self.headers_out['Content-Length'] = file_size
self.compress_level = 0
self._raw_stream.content_type = 'application/x-rpm'
self._send_headers()
self.send_rpm(stream)
return 0
def send_rpm(self, stream):
buffer_size = 65536
while 1:
buf = stream.read(buffer_size)
if not buf:
break
try:
self._raw_stream.write(buf)
except IOError:
# client closed the connection?
log_error("Client appears to have closed connection")
self.close_rpm()
raise_with_tb(dumper.ClosedConnectionError, sys.exc_info()[2])
self.close_rpm()
def close_rpm(self):
self._is_closed = 1
def _respond_xmlrpc(self, data):
# Marshal
s = xmlrpclib.dumps((data, ))
self.headers_out['Content-Length'] = len(s)
self._raw_stream.content_type = 'text/xml'
for h, v in list(self.headers_out.items()):
self._raw_stream.headers_out[h] = str(v)
self._raw_stream.send_http_header()
self._raw_stream.write(s)
return 0
class Transport(xmlrpclib.Transport):
user_agent = "rhn.rpclib.py/%s" % __version__
def __init__(self, transfer=0, encoding=0, refreshCallback=None,
progressCallback=None, use_datetime=None, timeout=None):
self._use_builtin_types = False
self._transport_flags = {'transfer' : 0, 'encoding' : 0}
self.set_transport_flags(transfer=transfer, encoding=encoding)
self._headers = UserDictCase()
self.verbose = 0
self.connection = None
self.method = "POST"
self._lang = None
self.refreshCallback = refreshCallback
self.progressCallback = progressCallback
self.bufferSize = 16384
self.headers_in = None
self.response_status = None
self.response_reason = None
self._redirected = None
self._use_datetime = use_datetime
self.timeout = timeout
# set the progress callback
def set_progress_callback(self, progressCallback, bufferSize=16384):
self.progressCallback = progressCallback
self.bufferSize = bufferSize
# set the refresh callback
def set_refresh_callback(self, refreshCallback):
self.refreshCallback = refreshCallback
# set the buffer size
# The bigger this is, the faster the read is, but the more seldom is the
# progress callback called
def set_buffer_size(self, bufferSize):
if bufferSize is None:
# No buffer size specified; go with 16k
bufferSize = 16384
self.bufferSize = bufferSize
# set the request method
def set_method(self, method):
if method not in ("GET", "POST"):
raise IOError("Unknown request method %s" % method)
self.method = method
# reset the transport options
def set_transport_flags(self, transfer=None, encoding=None, **kwargs):
# For backwards compatibility, we keep transfer and encoding as
# positional parameters (they could come in as kwargs easily)
self._transport_flags.update(kwargs)
if transfer is not None:
self._transport_flags['transfer'] = transfer
if encoding is not None:
self._transport_flags['encoding'] = encoding
self.validate_transport_flags()
def get_transport_flags(self):
return self._transport_flags.copy()
def validate_transport_flags(self):
# Transfer and encoding are guaranteed to be there
transfer = self._transport_flags.get('transfer')
transfer = lookupTransfer(transfer, strict=1)
self._transport_flags['transfer'] = transfer
encoding = self._transport_flags.get('encoding')
encoding = lookupEncoding(encoding, strict=1)
self._transport_flags['encoding'] = encoding
# Add arbitrary additional headers.
def set_header(self, name, arg):
if type(arg) in [ type([]), type(()) ]:
# Multivalued header
self._headers[name] = [str(a) for a in arg]
else:
self._headers[name] = str(arg)
def add_header(self, name, arg):
if name in self._headers:
vlist = self._headers[name]
if not isinstance(vlist, ListType):
vlist = [ vlist ]
else:
vlist = self._headers[name] = []
vlist.append(str(arg))
def clear_headers(self):
self._headers.clear()
def get_connection(self, host):
if self.verbose:
print("Connecting via http to %s" % (host, ))
if self.timeout:
return connections.HTTPConnection(host, timeout=self.timeout)
else:
return connections.HTTPConnection(host)
def request(self, host, handler, request_body, verbose=0):
# issue XML-RPC request
# XXX: automatically compute how to send depending on how much data
# you want to send
# XXX Deal with HTTP/1.1 if necessary
self.verbose = verbose
# implement BASIC HTTP AUTHENTICATION
host, extra_headers, x509 = self.get_host_info(host)
if not extra_headers:
extra_headers = []
# Establish the connection
connection = self.get_connection(host)
# Setting the user agent. Only interesting for SSL tunnels, in any
# other case the general headers are good enough.
connection.set_user_agent(self.user_agent)
if self.verbose:
connection.set_debuglevel(self.verbose - 1)
# Get the output object to push data with
req = Output(connection=connection, method=self.method)
req.set_transport_flags(**self._transport_flags)
# Add the extra headers
req.set_header('User-Agent', self.user_agent)
for header, value in list(self._headers.items()) + extra_headers:
# Output.set_header correctly deals with multivalued headers now
req.set_header(header, value)
# Content-Type
req.set_header("Content-Type", "text/xml")
req.process(request_body)
# Host and Content-Length are set by HTTP*Connection
for h in ['Content-Length', 'Host']:
req.clear_header(h)
headers, fd = req.send_http(host, handler)
if self.verbose:
print("Incoming headers:")
for header, value in headers.items():
print("\t%s : %s" % (header, value))
if fd.status in (301, 302):
self._redirected = headers["Location"]
self.response_status = fd.status
return None
# Save the headers
self.headers_in = headers
self.response_status = fd.status
self.response_reason = fd.reason
return self._process_response(fd, connection)
def _process_response(self, fd, connection):
# Now use the Input class in case we get an enhanced response
resp = Input(self.headers_in, progressCallback=self.progressCallback,
bufferSize=self.bufferSize)
fd = resp.decode(fd)
if isinstance(fd, InputStream):
# When the File object goes out of scope, so will the InputStream;
# that will eventually call the connection's close() method and
# cleanly reap it
f = File(fd.fd, fd.length, fd.name, bufferSize=self.bufferSize,
progressCallback=self.progressCallback)
# Set the File's close method to the connection's
# Note that calling the HTTPResponse's close() is not enough,
# since the main socket would remain open, and this is
# particularily bad with SSL
f.close = connection.close
return f
# We can safely close the connection now; if we had an
# application/octet/stream (for which Input.read passes the original
# socket object), Input.decode would return an InputStream,
# so we wouldn't reach this point
connection.close()
return self.parse_response(fd)
# Give back the new URL if redirected
def redirected(self):
return self._redirected
# Rewrite parse_response to provide refresh callbacks
def parse_response(self, f):
# read response from input file, and parse it
p, u = self.getparser()
while 1:
response = f.read(1024)
if not response:
break
if self.refreshCallback:
self.refreshCallback()
if self.verbose:
print("body:", repr(response))
p.feed(response)
f.close()
p.close()
return u.close()
def setlang(self, lang):
self._lang = lang
class Transport(xmlrpclib.Transport):
user_agent = "rhn.rpclib.py/%s" % __version__
def __init__(self,
transfer=0,
encoding=0,
refreshCallback=None,
progressCallback=None,
use_datetime=None,
timeout=None):
self._use_builtin_types = False
self._transport_flags = {'transfer': 0, 'encoding': 0}
self.set_transport_flags(transfer=transfer, encoding=encoding)
self._headers = UserDictCase()
self.verbose = 0
self.connection = None
self.method = "POST"
self._lang = None
self.refreshCallback = refreshCallback
self.progressCallback = progressCallback
self.bufferSize = 16384
self.headers_in = None
self.response_status = None
self.response_reason = None
self._redirected = None
self._use_datetime = use_datetime
self.timeout = timeout
# set the progress callback
def set_progress_callback(self, progressCallback, bufferSize=16384):
self.progressCallback = progressCallback
self.bufferSize = bufferSize
# set the refresh callback
def set_refresh_callback(self, refreshCallback):
self.refreshCallback = refreshCallback
# set the buffer size
# The bigger this is, the faster the read is, but the more seldom is the
# progress callback called
def set_buffer_size(self, bufferSize):
if bufferSize is None:
# No buffer size specified; go with 16k
bufferSize = 16384
self.bufferSize = bufferSize
# set the request method
def set_method(self, method):
if method not in ("GET", "POST"):
raise IOError("Unknown request method %s" % method)
self.method = method
# reset the transport options
def set_transport_flags(self, transfer=None, encoding=None, **kwargs):
# For backwards compatibility, we keep transfer and encoding as
# positional parameters (they could come in as kwargs easily)
self._transport_flags.update(kwargs)
if transfer is not None:
self._transport_flags['transfer'] = transfer
if encoding is not None:
self._transport_flags['encoding'] = encoding
self.validate_transport_flags()
def get_transport_flags(self):
return self._transport_flags.copy()
def validate_transport_flags(self):
# Transfer and encoding are guaranteed to be there
transfer = self._transport_flags.get('transfer')
transfer = lookupTransfer(transfer, strict=1)
self._transport_flags['transfer'] = transfer
encoding = self._transport_flags.get('encoding')
encoding = lookupEncoding(encoding, strict=1)
self._transport_flags['encoding'] = encoding
# Add arbitrary additional headers.
def set_header(self, name, arg):
if type(arg) in [type([]), type(())]:
# Multivalued header
self._headers[name] = [str(a) for a in arg]
else:
self._headers[name] = str(arg)
def add_header(self, name, arg):
if name in self._headers:
vlist = self._headers[name]
if not isinstance(vlist, ListType):
vlist = [vlist]
else:
vlist = self._headers[name] = []
vlist.append(str(arg))
def clear_headers(self):
self._headers.clear()
def get_connection(self, host):
if self.verbose:
print("Connecting via http to %s" % (host, ))
if self.timeout:
return connections.HTTPConnection(host, timeout=self.timeout)
else:
return connections.HTTPConnection(host)
def request(self, host, handler, request_body, verbose=0):
# issue XML-RPC request
# XXX: automatically compute how to send depending on how much data
# you want to send
# XXX Deal with HTTP/1.1 if necessary
self.verbose = verbose
# implement BASIC HTTP AUTHENTICATION
host, extra_headers, x509 = self.get_host_info(host)
if not extra_headers:
extra_headers = []
# Establish the connection
connection = self.get_connection(host)
# Setting the user agent. Only interesting for SSL tunnels, in any
# other case the general headers are good enough.
connection.set_user_agent(self.user_agent)
if self.verbose:
connection.set_debuglevel(self.verbose - 1)
# Get the output object to push data with
req = Output(connection=connection, method=self.method)
req.set_transport_flags(**self._transport_flags)
# Add the extra headers
req.set_header('User-Agent', self.user_agent)
for header, value in list(self._headers.items()) + extra_headers:
# Output.set_header correctly deals with multivalued headers now
req.set_header(header, value)
# Content-Type
req.set_header("Content-Type", "text/xml")
req.process(request_body)
# Host and Content-Length are set by HTTP*Connection
for h in ['Content-Length', 'Host']:
req.clear_header(h)
headers, fd = req.send_http(host, handler)
if self.verbose:
print("Incoming headers:")
for header, value in headers.items():
print("\t%s : %s" % (header, value))
if fd.status in (301, 302):
self._redirected = headers["Location"]
self.response_status = fd.status
return None
# Save the headers
self.headers_in = headers
self.response_status = fd.status
self.response_reason = fd.reason
return self._process_response(fd, connection)
def _process_response(self, fd, connection):
# Now use the Input class in case we get an enhanced response
resp = Input(self.headers_in,
progressCallback=self.progressCallback,
bufferSize=self.bufferSize)
fd = resp.decode(fd)
if isinstance(fd, InputStream):
# When the File object goes out of scope, so will the InputStream;
# that will eventually call the connection's close() method and
# cleanly reap it
f = File(fd.fd,
fd.length,
fd.name,
bufferSize=self.bufferSize,
progressCallback=self.progressCallback)
# Set the File's close method to the connection's
# Note that calling the HTTPResponse's close() is not enough,
# since the main socket would remain open, and this is
# particularily bad with SSL
f.close = connection.close
return f
# We can safely close the connection now; if we had an
# application/octet/stream (for which Input.read passes the original
# socket object), Input.decode would return an InputStream,
# so we wouldn't reach this point
connection.close()
return self.parse_response(fd)
# Give back the new URL if redirected
def redirected(self):
return self._redirected
# Rewrite parse_response to provide refresh callbacks
def parse_response(self, f):
# read response from input file, and parse it
p, u = self.getparser()
while 1:
response = f.read(1024)
if not response:
break
if self.refreshCallback:
self.refreshCallback()
if self.verbose:
print("body:", repr(response))
p.feed(response)
f.close()
p.close()
return u.close()
def setlang(self, lang):
self._lang = lang
class Server:
"""uri [,options] -> a logical connection to an XML-RPC server
uri is the connection point on the server, given as
scheme://host/target.
The standard implementation always supports the "http" scheme. If
SSL socket support is available (Python 2.0), it also supports
"https".
If the target part and the slash preceding it are both omitted,
"/RPC2" is assumed.
The following options can be given as keyword arguments:
transport: a transport factory
encoding: the request encoding (default is UTF-8)
verbose: verbosity level
proxy: use an HTTP proxy
username: username for authenticated HTTP proxy
password: password for authenticated HTTP proxy
All 8-bit strings passed to the server proxy are assumed to use
the given encoding.
"""
# Default factories
_transport_class = transports.Transport
_transport_class_https = transports.SafeTransport
_transport_class_proxy = transports.ProxyTransport
_transport_class_https_proxy = transports.SafeProxyTransport
def __init__(self,
uri,
transport=None,
encoding=None,
verbose=0,
proxy=None,
username=None,
password=None,
refreshCallback=None,
progressCallback=None,
timeout=None):
# establish a "logical" server connection
#
# First parse the proxy information if available
#
if proxy != None:
(ph, pp, pu, pw) = get_proxy_info(proxy)
if pp is not None:
proxy = "%s:%s" % (ph, pp)
else:
proxy = ph
# username and password will override whatever was passed in the
# URL
if pu is not None and username is None:
username = pu
if pw is not None and password is None:
password = pw
self._uri = sstr(uri)
self._refreshCallback = None
self._progressCallback = None
self._bufferSize = None
self._proxy = proxy
self._username = username
self._password = password
self._timeout = timeout
if len(__version__.split()) > 1:
self.rpc_version = __version__.split()[1]
else:
self.rpc_version = __version__
self._reset_host_handler_and_type()
if transport is None:
self._allow_redirect = 1
transport = self.default_transport(self._type, proxy, username,
password, timeout)
else:
#
# dont allow redirect on unknow transports, that should be
# set up independantly
#
self._allow_redirect = 0
self._redirected = None
self.use_handler_path = 1
self._transport = transport
self._trusted_cert_files = []
self._lang = None
self._encoding = encoding
self._verbose = verbose
self.set_refresh_callback(refreshCallback)
self.set_progress_callback(progressCallback)
# referer, which redirect us to new handler
self.send_handler = None
self._headers = UserDictCase()
def default_transport(self,
type,
proxy=None,
username=None,
password=None,
timeout=None):
if proxy:
if type == 'https':
transport = self._transport_class_https_proxy(
proxy,
proxyUsername=username,
proxyPassword=password,
timeout=timeout)
else:
transport = self._transport_class_proxy(proxy,
proxyUsername=username,
proxyPassword=password,
timeout=timeout)
else:
if type == 'https':
transport = self._transport_class_https(timeout=timeout)
else:
transport = self._transport_class(timeout=timeout)
return transport
def allow_redirect(self, allow):
self._allow_redirect = allow
def redirected(self):
if not self._allow_redirect:
return None
return self._redirected
def set_refresh_callback(self, refreshCallback):
self._refreshCallback = refreshCallback
self._transport.set_refresh_callback(refreshCallback)
def set_buffer_size(self, bufferSize):
self._bufferSize = bufferSize
self._transport.set_buffer_size(bufferSize)
def set_progress_callback(self, progressCallback, bufferSize=16384):
self._progressCallback = progressCallback
self._transport.set_progress_callback(progressCallback, bufferSize)
def _req_body(self, params, methodname):
return xmlrpclib.dumps(params, methodname, encoding=self._encoding)
def get_response_headers(self):
if self._transport:
return self._transport.headers_in
return None
def get_response_status(self):
if self._transport:
return self._transport.response_status
return None
def get_response_reason(self):
if self._transport:
return self._transport.response_reason
return None
def get_content_range(self):
"""Returns a dictionary with three values:
length: the total length of the entity-body (can be None)
first_byte_pos: the position of the first byte (zero based)
last_byte_pos: the position of the last byte (zero based)
The range is inclusive; that is, a response 8-9/102 means two bytes
"""
headers = self.get_response_headers()
if not headers:
return None
content_range = headers.get('Content-Range')
if not content_range:
return None
arr = filter(None, content_range.split())
assert arr[0] == "bytes"
assert len(arr) == 2
arr = arr[1].split('/')
assert len(arr) == 2
brange, total_len = arr
if total_len == '*':
# Per RFC, the server is allowed to use * if the length of the
# entity-body is unknown or difficult to determine
total_len = None
else:
total_len = int(total_len)
start, end = brange.split('-')
result = {
'length': total_len,
'first_byte_pos': int(start),
'last_byte_pos': int(end),
}
return result
def accept_ranges(self):
headers = self.get_response_headers()
if not headers:
return None
if 'Accept-Ranges' in headers:
return headers['Accept-Ranges']
return None
def _reset_host_handler_and_type(self):
""" Reset the attributes:
self._host, self._handler, self._type
according the value of self._uri.
"""
# get the url
type, uri = splittype(self._uri)
if type is None:
raise MalformedURIError("missing protocol in uri")
# with a real uri passed in, uri will now contain "//hostname..." so we
# need at least 3 chars for it to maybe be ok...
if len(uri) < 3 or uri[0:2] != "//":
raise MalformedURIError
self._type = type.lower()
if self._type not in ("http", "https"):
raise IOError("unsupported XML-RPC protocol")
self._host, self._handler = splithost(uri)
if not self._handler:
self._handler = "/RPC2"
def _strip_characters(self, *args):
""" Strip characters, which are not allowed according:
http://www.w3.org/TR/2006/REC-xml-20060816/#charsets
From spec:
Char ::= #x9 | #xA | #xD | [#x20-#xD7FF] | [#xE000-#xFFFD] | [#x10000-#x10FFFF] /* any Unicode character, excluding the surrogate blocks, FFFE, and FFFF. */
"""
regexp = r'[\x00-\x09]|[\x0b-\x0c]|[\x0e-\x1f]'
result = []
for item in args:
item_type = type(item)
if item_type == StringType or item_type == UnicodeType:
item = re.sub(regexp, '', sstr(item))
elif item_type == TupleType:
item = tuple(self._strip_characters(i) for i in item)
elif item_type == ListType:
item = [self._strip_characters(i) for i in item]
elif item_type == DictType or item_type == DictionaryType:
item = dict([(self._strip_characters(name, val))
for name, val in item.items()])
# else: some object - should take care of himself
# numbers - are safe
result.append(item)
if len(result) == 1:
return result[0]
else:
return tuple(result)
def _request(self, methodname, params):
""" Call a method on the remote server
we can handle redirections. """
# the loop is used to handle redirections
redirect_response = 0
retry = 0
self._reset_host_handler_and_type()
while 1:
if retry >= MAX_REDIRECTIONS:
raise InvalidRedirectionError(
"Unable to fetch requested Package")
# Clear the transport headers first
self._transport.clear_headers()
for k, v in self._headers.items():
self._transport.set_header(k, v)
self._transport.add_header(
"X-Info", 'RPC Processor (C) Red Hat, Inc (version %s)' %
self.rpc_version)
# identify the capability set of this client to the server
self._transport.set_header("X-Client-Version", 1)
if self._allow_redirect:
# Advertise that we follow redirects
#changing the version from 1 to 2 to support backward compatibility
self._transport.add_header("X-RHN-Transport-Capability",
"follow-redirects=3")
if redirect_response:
self._transport.add_header('X-RHN-Redirect', '0')
if self.send_handler:
self._transport.add_header('X-RHN-Path', self.send_handler)
request = self._req_body(self._strip_characters(params),
methodname)
try:
response = self._transport.request(self._host, \
self._handler, request, verbose=self._verbose)
save_response = self._transport.response_status
except xmlrpclib.ProtocolError:
if self.use_handler_path:
raise
else:
save_response = sys.exc_info()[1].errcode
self._redirected = None
retry += 1
if save_response == 200:
# exit redirects loop and return response
break
elif save_response not in (301, 302):
# Retry pkg fetch
self.use_handler_path = 1
continue
# rest of loop is run only if we are redirected (301, 302)
self._redirected = self._transport.redirected()
self.use_handler_path = 0
redirect_response = 1
if not self._allow_redirect:
raise InvalidRedirectionError("Redirects not allowed")
if self._verbose:
print("%s redirected to %s" % (self._uri, self._redirected))
typ, uri = splittype(self._redirected)
if typ != None:
typ = typ.lower()
if typ not in ("http", "https"):
raise InvalidRedirectionError(
"Redirected to unsupported protocol %s" % typ)
#
# We forbid HTTPS -> HTTP for security reasons
# Note that HTTP -> HTTPS -> HTTP is allowed (because we compare
# the protocol for the redirect with the original one)
#
if self._type == "https" and typ == "http":
raise InvalidRedirectionError(
"HTTPS redirected to HTTP is not supported")
self._host, self._handler = splithost(uri)
if not self._handler:
self._handler = "/RPC2"
# Create a new transport for the redirected service and
# set up the parameters on the new transport
del self._transport
self._transport = self.default_transport(typ, self._proxy,
self._username,
self._password,
self._timeout)
self.set_progress_callback(self._progressCallback)
self.set_refresh_callback(self._refreshCallback)
self.set_buffer_size(self._bufferSize)
self.setlang(self._lang)
if self._trusted_cert_files != [] and \
hasattr(self._transport, "add_trusted_cert"):
for certfile in self._trusted_cert_files:
self._transport.add_trusted_cert(certfile)
# Then restart the loop to try the new entry point.
if isinstance(response, transports.File):
# Just return the file
return response
# an XML-RPC encoded data structure
if isinstance(response, TupleType) and len(response) == 1:
response = response[0]
return response
def __repr__(self):
return ("<%s for %s%s>" %
(self.__class__.__name__, self._host, self._handler))
__str__ = __repr__
def __getattr__(self, name):
# magic method dispatcher
return _Method(self._request, name)
# note: to call a remote object with an non-standard name, use
# result getattr(server, "strange-python-name")(args)
def set_transport_flags(self, transfer=0, encoding=0, **kwargs):
if not self._transport:
# Nothing to do
return
kwargs.update({
'transfer': transfer,
'encoding': encoding,
})
self._transport.set_transport_flags(**kwargs)
def get_transport_flags(self):
if not self._transport:
# Nothing to do
return {}
return self._transport.get_transport_flags()
def reset_transport_flags(self):
# Does nothing
pass
# Allow user-defined additional headers.
def set_header(self, name, arg):
if type(arg) in [type([]), type(())]:
# Multivalued header
self._headers[name] = [str(a) for a in arg]
else:
self._headers[name] = str(arg)
def add_header(self, name, arg):
if name in self._headers:
vlist = self._headers[name]
if not isinstance(vlist, ListType):
vlist = [vlist]
else:
vlist = self._headers[name] = []
vlist.append(str(arg))
# Sets the i18n options
def setlang(self, lang):
self._lang = lang
if self._transport and hasattr(self._transport, "setlang"):
self._transport.setlang(lang)
# Sets the CA chain to be used
def use_CA_chain(self, ca_chain=None):
raise NotImplementedError("This method is deprecated")
def add_trusted_cert(self, certfile):
self._trusted_cert_files.append(certfile)
if self._transport and hasattr(self._transport, "add_trusted_cert"):
self._transport.add_trusted_cert(certfile)
def close(self):
if self._transport:
self._transport.close()
self._transport = None
class NonAuthenticatedDumper(rhnHandler, dumper.XML_Dumper):
# pylint: disable=E1101,W0102,W0613,R0902,R0904
def __init__(self, req):
rhnHandler.__init__(self)
dumper.XML_Dumper.__init__(self)
self.headers_out = UserDictCase()
self._raw_stream = req
self._raw_stream.content_type = 'application/octet-stream'
self.compress_level = 0
# State machine
self._headers_sent = 0
self._is_closed = 0
self._compressed_stream = None
self.functions = [
'arches',
'arches_extra',
'channel_families',
'channels',
'get_comps',
'channel_packages_short',
'packages_short',
'packages',
'source_packages',
'errata',
'blacklist_obsoletes',
'product_names',
'get_rpm',
'kickstartable_trees',
'get_ks_file',
'orgs',
]
self.system_id = None
self._channel_family_query_template = """
select cfm.channel_family_id, 0 quantity
from rhnChannelFamilyMembers cfm,
rhnChannel c, rhnChannelFamily cf
where cfm.channel_id = c.id
and c.label in (%s)
and cfm.channel_family_id = cf.id
and cf.label != 'rh-public'
and (cf.org_id in (%s)
or cf.org_id is null)
union
select id channel_family_id, NULL quantity
from rhnChannelFamily
where label = 'rh-public'
"""
self._channel_family_query_public = """
select id channel_family_id, 0 quantity
from rhnChannelFamily
where org_id in (%s)
or org_id is null
"""
self._channel_family_query = None
def _send_headers(self, error=0, init_compressed_stream=1):
log_debug(4, "is_closed", self._is_closed)
if self._is_closed:
raise Exception, "Trying to write to a closed connection"
if self._headers_sent:
return
self._headers_sent = 1
if self.compress_level:
self.headers_out['Content-Encoding'] = 'gzip'
# Send the headers
if error:
# No compression
self.compress_level = 0
self._raw_stream.content_type = 'text/xml'
for h, v in self.headers_out.items():
self._raw_stream.headers_out[h] = str(v)
self._raw_stream.send_http_header()
# If need be, start gzipping
if self.compress_level and init_compressed_stream:
log_debug(4, "Compressing with factor %s" % self.compress_level)
self._compressed_stream = gzip.GzipFile(None, "wb",
self.compress_level, self._raw_stream)
def send(self, data):
log_debug(3, "Sending %d bytes" % len(data))
try:
self._send_headers()
if self._compressed_stream:
log_debug(4, "Sending through a compressed stream")
self._compressed_stream.write(data)
else:
self._raw_stream.write(data)
except IOError:
log_error("Client appears to have closed connection")
self.close()
raise dumper.ClosedConnectionError, None, sys.exc_info()[2]
log_debug(5, "Bytes sent", len(data))
write = send
def close(self):
log_debug(2, "Closing")
if self._is_closed:
log_debug(3, "Already closed")
return
if self._compressed_stream:
log_debug(5, "Closing a compressed stream")
try:
self._compressed_stream.close()
except IOError, e:
# Remote end has closed connection already
log_error("Error closing the stream", str(e))
self._compressed_stream = None
self._is_closed = 1
log_debug(3, "Closed")
class Server:
"""uri [,options] -> a logical connection to an XML-RPC server
uri is the connection point on the server, given as
scheme://host/target.
The standard implementation always supports the "http" scheme. If
SSL socket support is available (Python 2.0), it also supports
"https".
If the target part and the slash preceding it are both omitted,
"/RPC2" is assumed.
The following options can be given as keyword arguments:
transport: a transport factory
encoding: the request encoding (default is UTF-8)
verbose: verbosity level
proxy: use an HTTP proxy
username: username for authenticated HTTP proxy
password: password for authenticated HTTP proxy
All 8-bit strings passed to the server proxy are assumed to use
the given encoding.
"""
# Default factories
_transport_class = transports.Transport
_transport_class_https = transports.SafeTransport
_transport_class_proxy = transports.ProxyTransport
_transport_class_https_proxy = transports.SafeProxyTransport
def __init__(self, uri, transport=None, encoding=None, verbose=0,
proxy=None, username=None, password=None, refreshCallback=None,
progressCallback=None, timeout=None):
# establish a "logical" server connection
#
# First parse the proxy information if available
#
if proxy != None:
(ph, pp, pu, pw) = get_proxy_info(proxy)
if pp is not None:
proxy = "%s:%s" % (ph, pp)
else:
proxy = ph
# username and password will override whatever was passed in the
# URL
if pu is not None and username is None:
username = pu
if pw is not None and password is None:
password = pw
self._uri = sstr(uri)
self._refreshCallback = None
self._progressCallback = None
self._bufferSize = None
self._proxy = proxy
self._username = username
self._password = password
self._timeout = timeout
if len(__version__.split()) > 1:
self.rpc_version = __version__.split()[1]
else:
self.rpc_version = __version__
self._reset_host_handler_and_type()
if transport is None:
self._allow_redirect = 1
transport = self.default_transport(self._type, proxy, username,
password, timeout)
else:
#
# dont allow redirect on unknow transports, that should be
# set up independantly
#
self._allow_redirect = 0
self._redirected = None
self.use_handler_path = 1
self._transport = transport
self._trusted_cert_files = []
self._lang = None
self._encoding = encoding
self._verbose = verbose
self.set_refresh_callback(refreshCallback)
self.set_progress_callback(progressCallback)
# referer, which redirect us to new handler
self.send_handler=None
self._headers = UserDictCase()
def default_transport(self, type, proxy=None, username=None, password=None,
timeout=None):
if proxy:
if type == 'https':
transport = self._transport_class_https_proxy(proxy,
proxyUsername=username, proxyPassword=password, timeout=timeout)
else:
transport = self._transport_class_proxy(proxy,
proxyUsername=username, proxyPassword=password, timeout=timeout)
else:
if type == 'https':
transport = self._transport_class_https(timeout=timeout)
else:
transport = self._transport_class(timeout=timeout)
return transport
def allow_redirect(self, allow):
self._allow_redirect = allow
def redirected(self):
if not self._allow_redirect:
return None
return self._redirected
def set_refresh_callback(self, refreshCallback):
self._refreshCallback = refreshCallback
self._transport.set_refresh_callback(refreshCallback)
def set_buffer_size(self, bufferSize):
self._bufferSize = bufferSize
self._transport.set_buffer_size(bufferSize)
def set_progress_callback(self, progressCallback, bufferSize=16384):
self._progressCallback = progressCallback
self._transport.set_progress_callback(progressCallback, bufferSize)
def _req_body(self, params, methodname):
return xmlrpclib.dumps(params, methodname, encoding=self._encoding)
def get_response_headers(self):
if self._transport:
return self._transport.headers_in
return None
def get_response_status(self):
if self._transport:
return self._transport.response_status
return None
def get_response_reason(self):
if self._transport:
return self._transport.response_reason
return None
def get_content_range(self):
"""Returns a dictionary with three values:
length: the total length of the entity-body (can be None)
first_byte_pos: the position of the first byte (zero based)
last_byte_pos: the position of the last byte (zero based)
The range is inclusive; that is, a response 8-9/102 means two bytes
"""
headers = self.get_response_headers()
if not headers:
return None
content_range = headers.get('Content-Range')
if not content_range:
return None
arr = filter(None, content_range.split())
assert arr[0] == "bytes"
assert len(arr) == 2
arr = arr[1].split('/')
assert len(arr) == 2
brange, total_len = arr
if total_len == '*':
# Per RFC, the server is allowed to use * if the length of the
# entity-body is unknown or difficult to determine
total_len = None
else:
total_len = int(total_len)
start, end = brange.split('-')
result = {
'length' : total_len,
'first_byte_pos' : int(start),
'last_byte_pos' : int(end),
}
return result
def accept_ranges(self):
headers = self.get_response_headers()
if not headers:
return None
if 'Accept-Ranges' in headers:
return headers['Accept-Ranges']
return None
def _reset_host_handler_and_type(self):
""" Reset the attributes:
self._host, self._handler, self._type
according the value of self._uri.
"""
# get the url
type, uri = splittype(self._uri)
if type is None:
raise MalformedURIError("missing protocol in uri")
# with a real uri passed in, uri will now contain "//hostname..." so we
# need at least 3 chars for it to maybe be ok...
if len(uri) < 3 or uri[0:2] != "//":
raise MalformedURIError
if type != None:
self._type = type.lower()
else:
self._type = type
if self._type not in ("http", "https"):
raise IOError("unsupported XML-RPC protocol")
self._host, self._handler = splithost(uri)
if not self._handler:
self._handler = "/RPC2"
def _strip_characters(self, *args):
""" Strip characters, which are not allowed according:
http://www.w3.org/TR/2006/REC-xml-20060816/#charsets
From spec:
Char ::= #x9 | #xA | #xD | [#x20-#xD7FF] | [#xE000-#xFFFD] | [#x10000-#x10FFFF] /* any Unicode character, excluding the surrogate blocks, FFFE, and FFFF. */
"""
regexp = r'[\x00-\x09]|[\x0b-\x0c]|[\x0e-\x1f]'
result=[]
for item in args:
item_type = type(item)
if item_type == StringType or item_type == UnicodeType:
item = re.sub(regexp, '', sstr(item))
elif item_type == TupleType:
item = tuple(self._strip_characters(i) for i in item)
elif item_type == ListType:
item = [self._strip_characters(i) for i in item]
elif item_type == DictType or item_type == DictionaryType:
item = dict([(self._strip_characters(name, val)) for name, val in item.items()])
# else: some object - should take care of himself
# numbers - are safe
result.append(item)
if len(result) == 1:
return result[0]
else:
return tuple(result)
def _request(self, methodname, params):
""" Call a method on the remote server
we can handle redirections. """
# the loop is used to handle redirections
redirect_response = 0
retry = 0
self._reset_host_handler_and_type()
while 1:
if retry >= MAX_REDIRECTIONS:
raise InvalidRedirectionError(
"Unable to fetch requested Package")
# Clear the transport headers first
self._transport.clear_headers()
for k, v in self._headers.items():
self._transport.set_header(k, v)
self._transport.add_header("X-Info",
'RPC Processor (C) Red Hat, Inc (version %s)' %
self.rpc_version)
# identify the capability set of this client to the server
self._transport.set_header("X-Client-Version", 1)
if self._allow_redirect:
# Advertise that we follow redirects
#changing the version from 1 to 2 to support backward compatibility
self._transport.add_header("X-RHN-Transport-Capability",
"follow-redirects=3")
if redirect_response:
self._transport.add_header('X-RHN-Redirect', '0')
if self.send_handler:
self._transport.add_header('X-RHN-Path', self.send_handler)
request = self._req_body(self._strip_characters(params), methodname)
try:
response = self._transport.request(self._host, \
self._handler, request, verbose=self._verbose)
save_response = self._transport.response_status
except xmlrpclib.ProtocolError:
if self.use_handler_path:
raise
else:
save_response = sys.exc_info()[1].errcode
self._redirected = None
retry += 1
if save_response == 200:
# exit redirects loop and return response
break
elif save_response not in (301, 302):
# Retry pkg fetch
self.use_handler_path = 1
continue
# rest of loop is run only if we are redirected (301, 302)
self._redirected = self._transport.redirected()
self.use_handler_path = 0
redirect_response = 1
if not self._allow_redirect:
raise InvalidRedirectionError("Redirects not allowed")
if self._verbose:
print("%s redirected to %s" % (self._uri, self._redirected))
typ, uri = splittype(self._redirected)
if typ != None:
typ = typ.lower()
if typ not in ("http", "https"):
raise InvalidRedirectionError(
"Redirected to unsupported protocol %s" % typ)
#
# We forbid HTTPS -> HTTP for security reasons
# Note that HTTP -> HTTPS -> HTTP is allowed (because we compare
# the protocol for the redirect with the original one)
#
if self._type == "https" and typ == "http":
raise InvalidRedirectionError(
"HTTPS redirected to HTTP is not supported")
self._host, self._handler = splithost(uri)
if not self._handler:
self._handler = "/RPC2"
# Create a new transport for the redirected service and
# set up the parameters on the new transport
del self._transport
self._transport = self.default_transport(typ, self._proxy,
self._username, self._password, self._timeout)
self.set_progress_callback(self._progressCallback)
self.set_refresh_callback(self._refreshCallback)
self.set_buffer_size(self._bufferSize)
self.setlang(self._lang)
if self._trusted_cert_files != [] and \
hasattr(self._transport, "add_trusted_cert"):
for certfile in self._trusted_cert_files:
self._transport.add_trusted_cert(certfile)
# Then restart the loop to try the new entry point.
if isinstance(response, transports.File):
# Just return the file
return response
# an XML-RPC encoded data structure
if isinstance(response, TupleType) and len(response) == 1:
response = response[0]
return response
def __repr__(self):
return (
"<%s for %s%s>" %
(self.__class__.__name__, self._host, self._handler)
)
__str__ = __repr__
def __getattr__(self, name):
# magic method dispatcher
return _Method(self._request, name)
# note: to call a remote object with an non-standard name, use
# result getattr(server, "strange-python-name")(args)
def set_transport_flags(self, transfer=0, encoding=0, **kwargs):
if not self._transport:
# Nothing to do
return
kwargs.update({
'transfer' : transfer,
'encoding' : encoding,
})
self._transport.set_transport_flags(**kwargs)
def get_transport_flags(self):
if not self._transport:
# Nothing to do
return {}
return self._transport.get_transport_flags()
def reset_transport_flags(self):
# Does nothing
pass
# Allow user-defined additional headers.
def set_header(self, name, arg):
if type(arg) in [ type([]), type(()) ]:
# Multivalued header
self._headers[name] = [str(a) for a in arg]
else:
self._headers[name] = str(arg)
def add_header(self, name, arg):
if name in self._headers:
vlist = self._headers[name]
if not isinstance(vlist, ListType):
vlist = [ vlist ]
else:
vlist = self._headers[name] = []
vlist.append(str(arg))
# Sets the i18n options
def setlang(self, lang):
self._lang = lang
if self._transport and hasattr(self._transport, "setlang"):
self._transport.setlang(lang)
# Sets the CA chain to be used
def use_CA_chain(self, ca_chain = None):
raise NotImplementedError("This method is deprecated")
def add_trusted_cert(self, certfile):
self._trusted_cert_files.append(certfile)
if self._transport and hasattr(self._transport, "add_trusted_cert"):
self._transport.add_trusted_cert(certfile)
def close(self):
if self._transport:
self._transport.close()
self._transport = None
class NonAuthenticatedDumper(rhnHandler, dumper.XML_Dumper):
# pylint: disable=E1101,W0102,W0613,R0902,R0904
def __init__(self, req):
rhnHandler.__init__(self)
dumper.XML_Dumper.__init__(self)
self.headers_out = UserDictCase()
self._raw_stream = req
self._raw_stream.content_type = 'application/octet-stream'
self.compress_level = 0
# State machine
self._headers_sent = 0
self._is_closed = 0
self._compressed_stream = None
self.functions = [
'arches',
'arches_extra',
'channel_families',
'channels',
'get_comps',
'channel_packages_short',
'packages_short',
'packages',
'source_packages',
'errata',
'blacklist_obsoletes',
'product_names',
'get_rpm',
'kickstartable_trees',
'get_ks_file',
'orgs',
]
self.system_id = None
self._channel_family_query_template = """
select cfm.channel_family_id, 0 quantity
from rhnChannelFamilyMembers cfm,
rhnChannel c, rhnChannelFamily cf
where cfm.channel_id = c.id
and c.label in (%s)
and cfm.channel_family_id = cf.id
and cf.label != 'rh-public'
and (cf.org_id in (%s)
or cf.org_id is null)
union
select id channel_family_id, NULL quantity
from rhnChannelFamily
where label = 'rh-public'
"""
self._channel_family_query_public = """
select id channel_family_id, 0 quantity
from rhnChannelFamily
where org_id in (%s)
or org_id is null
"""
self._channel_family_query = None
def _send_headers(self, error=0, init_compressed_stream=1):
log_debug(4, "is_closed", self._is_closed)
if self._is_closed:
raise Exception, "Trying to write to a closed connection"
if self._headers_sent:
return
self._headers_sent = 1
if self.compress_level:
self.headers_out['Content-Encoding'] = 'gzip'
# Send the headers
if error:
# No compression
self.compress_level = 0
self._raw_stream.content_type = 'text/xml'
for h, v in self.headers_out.items():
self._raw_stream.headers_out[h] = str(v)
self._raw_stream.send_http_header()
# If need be, start gzipping
if self.compress_level and init_compressed_stream:
log_debug(4, "Compressing with factor %s" % self.compress_level)
self._compressed_stream = gzip.GzipFile(None, "wb",
self.compress_level,
self._raw_stream)
def send(self, data):
log_debug(3, "Sending %d bytes" % len(data))
try:
self._send_headers()
if self._compressed_stream:
log_debug(4, "Sending through a compressed stream")
self._compressed_stream.write(data)
else:
self._raw_stream.write(data)
except IOError:
log_error("Client appears to have closed connection")
self.close()
raise dumper.ClosedConnectionError, None, sys.exc_info()[2]
log_debug(5, "Bytes sent", len(data))
write = send
def close(self):
log_debug(2, "Closing")
if self._is_closed:
log_debug(3, "Already closed")
return
if self._compressed_stream:
log_debug(5, "Closing a compressed stream")
try:
self._compressed_stream.close()
except IOError, e:
# Remote end has closed connection already
log_error("Error closing the stream", str(e))
self._compressed_stream = None
self._is_closed = 1
log_debug(3, "Closed")
