def test_check_container_format(self):
invalid_versions_locations = ("container/with/slashes", "") # empty
for versions_location in invalid_versions_locations:
req = Request.blank("/v/a/c/o", headers={"X-Versions-Location": versions_location})
try:
constraints.check_container_format(req, req.headers["X-Versions-Location"])
except HTTPException as e:
self.assertTrue(e.body.startswith("Container name cannot"))
else:
self.fail("check_container_format did not raise error for %r" % req.headers["X-Versions-Location"])
def test_check_container_format(self):
invalid_versions_locations = (
'container/with/slashes',
'', # empty
)
for versions_location in invalid_versions_locations:
req = Request.blank(
'/v/a/c/o', headers={'X-Versions-Location': versions_location})
with self.assertRaises(HTTPException) as cm:
constraints.check_container_format(
req, req.headers['X-Versions-Location'])
self.assertTrue(
cm.exception.body.startswith(b'Container name cannot'))
def test_check_container_format(self):
invalid_versions_locations = (
'container/with/slashes',
'', # empty
)
for versions_location in invalid_versions_locations:
req = Request.blank(
'/v/a/c/o', headers={
'X-Versions-Location': versions_location})
with self.assertRaises(HTTPException) as cm:
constraints.check_container_format(
req, req.headers['X-Versions-Location'])
self.assertTrue(cm.exception.body.startswith(
b'Container name cannot'))
def container_request(self, req, start_response, enabled):
# set version location header as sysmeta
if VERSIONS_LOC_CLIENT in req.headers:
val = req.headers.get(VERSIONS_LOC_CLIENT)
if val:
# differently from previous version, we are actually
# returning an error if user tries to set versions location
# while feature is explicitly disabled.
if not config_true_value(enabled) and \
req.method in ('PUT', 'POST'):
raise HTTPPreconditionFailed(
request=req, content_type='text/plain',
body='Versioned Writes is disabled')
location = check_container_format(req, val)
req.headers[VERSIONS_LOC_SYSMETA] = location
# reset original header to maintain sanity
# now only sysmeta is source of Versions Location
req.headers[VERSIONS_LOC_CLIENT] = ''
# if both headers are in the same request
# adding location takes precedence over removing
if 'X-Remove-Versions-Location' in req.headers:
del req.headers['X-Remove-Versions-Location']
else:
# empty value is the same as X-Remove-Versions-Location
req.headers['X-Remove-Versions-Location'] = 'x'
# handle removing versions container
val = req.headers.get('X-Remove-Versions-Location')
if val:
req.headers.update({VERSIONS_LOC_SYSMETA: '',
VERSIONS_LOC_CLIENT: ''})
del req.headers['X-Remove-Versions-Location']
# handle versioning mode
if VERSIONS_MODE_CLIENT in req.headers:
val = req.headers.pop(VERSIONS_MODE_CLIENT)
if val:
if not config_true_value(enabled) and \
req.method in ('PUT', 'POST'):
raise HTTPPreconditionFailed(
request=req, content_type='text/plain',
body='Versioned Writes is disabled')
if val not in VERSIONING_MODES:
raise HTTPBadRequest(
request=req, content_type='text/plain',
body='X-Versions-Mode must be one of %s' % ', '.join(
VERSIONING_MODES))
req.headers[VERSIONS_MODE_SYSMETA] = val
else:
req.headers['X-Remove-Versions-Mode'] = 'x'
if req.headers.pop('X-Remove-Versions-Mode', None):
req.headers.update({VERSIONS_MODE_SYSMETA: ''})
# send request and translate sysmeta headers from response
vw_ctx = VersionedWritesContext(self.app, self.logger)
return vw_ctx.handle_container_request(req.environ, start_response)
def test_check_container_format(self):
invalid_versions_locations = (
'container/with/slashes',
'', # empty
)
for versions_location in invalid_versions_locations:
req = Request.blank(
'/v/a/c/o', headers={'X-Versions-Location': versions_location})
try:
constraints.check_container_format(
req, req.headers['X-Versions-Location'])
except HTTPException as e:
self.assertTrue(e.body.startswith('Container name cannot'))
else:
self.fail('check_container_format did not raise error for %r' %
req.headers['X-Versions-Location'])
def test_check_container_format(self):
invalid_versions_locations = (
'container/with/slashes',
'', # empty
)
for versions_location in invalid_versions_locations:
req = Request.blank(
'/v/a/c/o', headers={
'X-Versions-Location': versions_location})
try:
constraints.check_container_format(
req, req.headers['X-Versions-Location'])
except HTTPException as e:
self.assertTrue(e.body.startswith('Container name cannot'))
else:
self.fail('check_container_format did not raise error for %r' %
req.headers['X-Versions-Location'])
def container_request(self, req, start_response, enabled):
# set version location header as sysmeta
if VERSIONS_LOC_CLIENT in req.headers:
val = req.headers.get(VERSIONS_LOC_CLIENT)
if val:
# differently from previous version, we are actually
# returning an error if user tries to set versions location
# while feature is explicitly disabled.
if not config_true_value(enabled) and req.method in ("PUT", "POST"):
raise HTTPPreconditionFailed(
request=req, content_type="text/plain", body="Versioned Writes is disabled"
)
location = check_container_format(req, val)
req.headers[VERSIONS_LOC_SYSMETA] = location
# reset original header to maintain sanity
# now only sysmeta is source of Versions Location
req.headers[VERSIONS_LOC_CLIENT] = ""
# if both headers are in the same request
# adding location takes precedence over removing
if "X-Remove-Versions-Location" in req.headers:
del req.headers["X-Remove-Versions-Location"]
else:
# empty value is the same as X-Remove-Versions-Location
req.headers["X-Remove-Versions-Location"] = "x"
# handle removing versions container
val = req.headers.get("X-Remove-Versions-Location")
if val:
req.headers.update({VERSIONS_LOC_SYSMETA: "", VERSIONS_LOC_CLIENT: ""})
del req.headers["X-Remove-Versions-Location"]
# handle versioning mode
if VERSIONS_MODE_CLIENT in req.headers:
val = req.headers.pop(VERSIONS_MODE_CLIENT)
if val:
if not config_true_value(enabled) and req.method in ("PUT", "POST"):
raise HTTPPreconditionFailed(
request=req, content_type="text/plain", body="Versioned Writes is disabled"
)
if val not in VERSIONING_MODES:
raise HTTPBadRequest(
request=req,
content_type="text/plain",
body="X-Versions-Mode must be one of %s" % ", ".join(VERSIONING_MODES),
)
req.headers[VERSIONS_MODE_SYSMETA] = val
else:
req.headers["X-Remove-Versions-Mode"] = "x"
if req.headers.pop("X-Remove-Versions-Mode", None):
req.headers.update({VERSIONS_MODE_SYSMETA: ""})
# send request and translate sysmeta headers from response
vw_ctx = VersionedWritesContext(self.app, self.logger)
return vw_ctx.handle_container_request(req.environ, start_response)
def container_request(self, req, start_response, enabled):
sysmeta_version_hdr = get_sys_meta_prefix('container') + \
'versions-location'
# set version location header as sysmeta
if 'X-Versions-Location' in req.headers:
val = req.headers.get('X-Versions-Location')
if val:
# diferently from previous version, we are actually
# returning an error if user tries to set versions location
# while feature is explicitly disabled.
if not config_true_value(enabled) and \
req.method in ('PUT', 'POST'):
raise HTTPPreconditionFailed(
request=req,
content_type='text/plain',
body='Versioned Writes is disabled')
location = check_container_format(req, val)
req.headers[sysmeta_version_hdr] = location
# reset original header to maintain sanity
# now only sysmeta is source of Versions Location
req.headers['X-Versions-Location'] = ''
# if both headers are in the same request
# adding location takes precendence over removing
if 'X-Remove-Versions-Location' in req.headers:
del req.headers['X-Remove-Versions-Location']
else:
# empty value is the same as X-Remove-Versions-Location
req.headers['X-Remove-Versions-Location'] = 'x'
# handle removing versions container
val = req.headers.get('X-Remove-Versions-Location')
if val:
req.headers.update({sysmeta_version_hdr: ''})
req.headers.update({'X-Versions-Location': ''})
del req.headers['X-Remove-Versions-Location']
# send request and translate sysmeta headers from response
vw_ctx = VersionedWritesContext(self.app, self.logger)
return vw_ctx.handle_container_request(req.environ, start_response)
def container_request(self, req, start_response, enabled):
sysmeta_version_hdr = get_sys_meta_prefix('container') + \
'versions-location'
# set version location header as sysmeta
if 'X-Versions-Location' in req.headers:
val = req.headers.get('X-Versions-Location')
if val:
# differently from previous version, we are actually
# returning an error if user tries to set versions location
# while feature is explicitly disabled.
if not config_true_value(enabled) and \
req.method in ('PUT', 'POST'):
raise HTTPPreconditionFailed(
request=req, content_type='text/plain',
body='Versioned Writes is disabled')
location = check_container_format(req, val)
req.headers[sysmeta_version_hdr] = location
# reset original header to maintain sanity
# now only sysmeta is source of Versions Location
req.headers['X-Versions-Location'] = ''
# if both headers are in the same request
# adding location takes precedence over removing
if 'X-Remove-Versions-Location' in req.headers:
del req.headers['X-Remove-Versions-Location']
else:
# empty value is the same as X-Remove-Versions-Location
req.headers['X-Remove-Versions-Location'] = 'x'
# handle removing versions container
val = req.headers.get('X-Remove-Versions-Location')
if val:
req.headers.update({sysmeta_version_hdr: ''})
req.headers.update({'X-Versions-Location': ''})
del req.headers['X-Remove-Versions-Location']
# send request and translate sysmeta headers from response
vw_ctx = VersionedWritesContext(self.app, self.logger)
return vw_ctx.handle_container_request(req.environ, start_response)
def container_request(self, req, start_response, enabled):
if CLIENT_VERSIONS_LOC in req.headers and \
CLIENT_HISTORY_LOC in req.headers:
if not req.headers[CLIENT_HISTORY_LOC]:
# defer to versions location entirely
del req.headers[CLIENT_HISTORY_LOC]
elif req.headers[CLIENT_VERSIONS_LOC]:
raise HTTPBadRequest(
request=req,
content_type='text/plain',
body='Only one of %s or %s may be specified' %
(CLIENT_VERSIONS_LOC, CLIENT_HISTORY_LOC))
else:
# history location is present and versions location is
# present but empty -- clean it up
del req.headers[CLIENT_VERSIONS_LOC]
if CLIENT_VERSIONS_LOC in req.headers or \
CLIENT_HISTORY_LOC in req.headers:
if CLIENT_VERSIONS_LOC in req.headers:
val = req.headers[CLIENT_VERSIONS_LOC]
mode = 'stack'
else:
val = req.headers[CLIENT_HISTORY_LOC]
mode = 'history'
if not val:
# empty value is the same as X-Remove-Versions-Location
req.headers['X-Remove-Versions-Location'] = 'x'
elif not config_true_value(enabled) and \
req.method in ('PUT', 'POST'):
# differently from previous version, we are actually
# returning an error if user tries to set versions location
# while feature is explicitly disabled.
raise HTTPPreconditionFailed(
request=req,
content_type='text/plain',
body='Versioned Writes is disabled')
else:
# OK, we received a value, have versioning enabled, and aren't
# trying to set two modes at once. Validate the value and
# translate to sysmeta.
location = check_container_format(req, val)
req.headers[SYSMETA_VERSIONS_LOC] = location
req.headers[SYSMETA_VERSIONS_MODE] = mode
# reset original header on container server to maintain sanity
# now only sysmeta is source of Versions Location
req.headers[CLIENT_VERSIONS_LOC] = ''
# if both add and remove headers are in the same request
# adding location takes precedence over removing
for header in [
'X-Remove-Versions-Location',
'X-Remove-History-Location'
]:
if header in req.headers:
del req.headers[header]
if any(
req.headers.get(header) for header in
['X-Remove-Versions-Location', 'X-Remove-History-Location']):
req.headers.update({
CLIENT_VERSIONS_LOC: '',
SYSMETA_VERSIONS_LOC: '',
SYSMETA_VERSIONS_MODE: ''
})
for header in [
'X-Remove-Versions-Location', 'X-Remove-History-Location'
]:
if header in req.headers:
del req.headers[header]
# send request and translate sysmeta headers from response
vw_ctx = VersionedWritesContext(self.app, self.logger)
return vw_ctx.handle_container_request(req.environ, start_response)
def container_request(self, req, start_response, enabled):
if CLIENT_VERSIONS_LOC in req.headers and \
CLIENT_HISTORY_LOC in req.headers:
if not req.headers[CLIENT_HISTORY_LOC]:
# defer to versions location entirely
del req.headers[CLIENT_HISTORY_LOC]
elif req.headers[CLIENT_VERSIONS_LOC]:
raise HTTPBadRequest(
request=req, content_type='text/plain',
body='Only one of %s or %s may be specified' % (
CLIENT_VERSIONS_LOC, CLIENT_HISTORY_LOC))
else:
# history location is present and versions location is
# present but empty -- clean it up
del req.headers[CLIENT_VERSIONS_LOC]
if CLIENT_VERSIONS_LOC in req.headers or \
CLIENT_HISTORY_LOC in req.headers:
if CLIENT_VERSIONS_LOC in req.headers:
val = req.headers[CLIENT_VERSIONS_LOC]
mode = 'stack'
else:
val = req.headers[CLIENT_HISTORY_LOC]
mode = 'history'
if not val:
# empty value is the same as X-Remove-Versions-Location
req.headers['X-Remove-Versions-Location'] = 'x'
elif not config_true_value(enabled) and \
req.method in ('PUT', 'POST'):
# differently from previous version, we are actually
# returning an error if user tries to set versions location
# while feature is explicitly disabled.
raise HTTPPreconditionFailed(
request=req, content_type='text/plain',
body='Versioned Writes is disabled')
else:
# OK, we received a value, have versioning enabled, and aren't
# trying to set two modes at once. Validate the value and
# translate to sysmeta.
location = check_container_format(req, val)
req.headers[SYSMETA_VERSIONS_LOC] = location
req.headers[SYSMETA_VERSIONS_MODE] = mode
# reset original header on container server to maintain sanity
# now only sysmeta is source of Versions Location
req.headers[CLIENT_VERSIONS_LOC] = ''
# if both add and remove headers are in the same request
# adding location takes precedence over removing
for header in ['X-Remove-Versions-Location',
'X-Remove-History-Location']:
if header in req.headers:
del req.headers[header]
if any(req.headers.get(header) for header in [
'X-Remove-Versions-Location',
'X-Remove-History-Location']):
req.headers.update({CLIENT_VERSIONS_LOC: '',
SYSMETA_VERSIONS_LOC: '',
SYSMETA_VERSIONS_MODE: ''})
for header in ['X-Remove-Versions-Location',
'X-Remove-History-Location']:
if header in req.headers:
del req.headers[header]
# send request and translate sysmeta headers from response
vw_ctx = VersionedWritesContext(self.app, self.logger)
return vw_ctx.handle_container_request(req.environ, start_response)
