def process_get_call(self,
url,
url_query_items,
timeout=None,
report_url=True):
"""
Run a GET request and return reply data
:param url: url for request
:param url_query_items:
:param timeout: in ms
:param report_url: True if URL should be reported to feedback
:return: response or error message in json format
"""
url_query = QUrl(url)
if report_url:
self.report_info('GET ' + url_query.toString())
if url_query_items:
url_query.setQuery(url_query_items)
request = QNetworkRequest(url_query)
if self.connection.auth_cfg != '':
request.setRawHeader("Accept".encode("utf-8"),
"*/*".encode("utf-8"))
if timeout is not None and "setTransferTimeout" in dir(request):
request.setTransferTimeout(timeout)
reply = self.network_access_manager.blockingGet(
request, self.connection.auth_cfg, True, self.feedback)
return self.process_qgs_reply(reply)
def executeHTTPQuery(self, method, path, callback, body, context={}, downloadProgressCallback=None, showProgress=True, ignoreErrors=False, progressText=None, timeout=5):
"""
Call the remote server
:param method: HTTP method
:param path: Remote path
:param body: params to send (dictionary)
:param callback: callback method to call when the server replies
:param context: Pass a context to the response callback
:param downloadProgressCallback: Callback called when received something, it can be an incomplete response
:param showProgress: Display progress to the user
:param progressText: Text display to user in progress dialog. None for auto generated
:param ignoreErrors: Ignore connection error (usefull to not closing a connection when notification feed is broken)
:param timeout: Delay in seconds before raising a timeout
:returns: QNetworkReply
"""
try:
ip = self._http_host.rsplit('%', 1)[0]
ipaddress.IPv6Address(ip) # remove any scope ID
# this is an IPv6 address, we must surround it with brackets to be used with QUrl.
host = "[{}]".format(ip)
except ipaddress.AddressValueError:
host = self._http_host
log.debug("{method} {protocol}://{host}:{port}/v1{path} {body}".format(method=method, protocol=self._scheme, host=host, port=self._http_port, path=path, body=body))
if self._user:
url = QtCore.QUrl("{protocol}://{user}@{host}:{port}/v1{path}".format(protocol=self._scheme, user=self._user, host=host, port=self._http_port, path=path))
else:
url = QtCore.QUrl("{protocol}://{host}:{port}/v1{path}".format(protocol=self._scheme, host=host, port=self._http_port, path=path))
request = self._request(url)
request = self.addAuth(request)
request.setRawHeader(b"User-Agent", "GNS3 QT Client v{version}".format(version=__version__).encode())
# By default QT doesn't support GET with body even if it's in the RFC that's why we need to use sendCustomRequest
body = self._addBodyToRequest(body, request)
response = self._network_manager.sendCustomRequest(request, method.encode(), body)
context = copy.copy(context)
context["query_id"] = str(uuid.uuid4())
response.finished.connect(qpartial(self._processResponse, response, callback, context, body, ignoreErrors))
if downloadProgressCallback is not None:
response.downloadProgress.connect(qpartial(self._processDownloadProgress, response, downloadProgressCallback, context))
if showProgress:
response.uploadProgress.connect(qpartial(self.notify_progress_upload, context["query_id"]))
response.downloadProgress.connect(qpartial(self.notify_progress_download, context["query_id"]))
# Should be the last operation otherwise we have race condition in Qt
# where query start before finishing connect to everything
self.notify_progress_start_query(context["query_id"], progressText, response)
if timeout is not None:
QtCore.QTimer.singleShot(timeout * 1000, qpartial(self._timeoutSlot, response))
return response
def addAuth(self, request):
"""
If require add basic auth header
"""
if self._user:
auth_string = "{}:{}".format(self._user, self._password)
auth_string = base64.b64encode(auth_string.encode("utf-8"))
auth_string = "Basic {}".format(auth_string.decode())
request.setRawHeader("Authorization", auth_string)
return request
def _addAuth(self, request):
"""
If require add basic auth header
"""
if self._user:
auth_string = "{}:{}".format(self._user, self._password)
auth_string = base64.b64encode(auth_string.encode("utf-8"))
auth_string = "Basic {}".format(auth_string.decode())
request.setRawHeader(b"Authorization", auth_string.encode())
return request
def createRequest(self, operation, request, data):
al1 = QtCore.QByteArray()
al1.append("Accept-Language")
al2 = QtCore.QByteArray()
al2.append("en-US,en;q=0.5")
request.setRawHeader(al1, al2)
dnt1 = QtCore.QByteArray()
dnt1.append("DNT")
dnt2 = QtCore.QByteArray()
dnt2.append("1")
request.setRawHeader(dnt1, dnt2)
return QtNetwork.QNetworkAccessManager.createRequest(self, operation, request, data)
def process_post_call(self,
url,
url_query_items,
data,
is_read_only=True,
report_url=True):
"""
Run a POST request and return reply data
:param url: url for request
:param url_query_items:
:param data:
:param is_read_only: True if the request does not update data
:param report_url: True if URL should be reported to feedback
:return: response or error message in json format
"""
if self.connection.read_only and not is_read_only:
return {
"error": {
"msg": "Graphium connection is set to read-only!"
}
}
url_query = QUrl(url)
if report_url:
self.report_info('POST ' + url_query.toString())
if url_query_items:
url_query.setQuery(url_query_items)
# data_byte_array = json.dumps(data).encode('utf8')
# data = QtCore.QByteArray( json.dumps( json_request ) )
data_byte_array = QJsonDocument.fromVariant(data)
request = QNetworkRequest(url_query)
if self.connection.auth_cfg != '':
request.setRawHeader("Accept".encode("utf-8"),
"*/*".encode("utf-8"))
request.setHeader(QNetworkRequest.ContentTypeHeader,
"application/json")
reply = self.network_access_manager.blockingPost(
request, data_byte_array.toJson(), self.connection.auth_cfg, True,
self.feedback)
return self.process_qgs_reply(reply)
def process_put_call(self, url, data=None, report_url=True):
"""
Run a PUT request and return reply data
:param url: url for request
:param data:
:param report_url: True if URL should be reported to feedback
:return: response or error message in json format
"""
if self.connection.read_only:
return {
"error": {
"msg": "Graphium connection is set to read-only!"
}
}
url_query = QUrl(url)
if report_url:
self.report_info('PUT ' + url_query.toString())
data_byte_array = QJsonDocument.fromVariant(data)
request = QNetworkRequest(url_query)
if self.connection.auth_cfg != '':
self.auth = 0
config = QgsAuthMethodConfig()
QgsApplication.authManager().loadAuthenticationConfig(
self.connection.auth_cfg, config, True)
concatenated = config.configMap(
)['username'] + ":" + config.configMap()['password']
data = base64.encodebytes(concatenated.encode("utf-8")).replace(
'\n'.encode("utf-8"), ''.encode("utf-8"))
request.setRawHeader("Authorization".encode("utf-8"),
("Basic %s" % data).encode("utf-8"))
request.setRawHeader("Accept".encode("utf-8"),
"*/*".encode("utf-8"))
loop = QEventLoop() # https://stackoverflow.com/a/46514984
reply = self.network_access_manager.put(request,
data_byte_array.toJson())
reply.finished.connect(loop.quit)
loop.exec_()
return self.process_q_reply(reply)
def process_delete_call(self, url, report_url=True):
"""
Run a DELETE request and return reply data
:param url: url for request
:param report_url: True if URL should be reported to feedback
:return: response or error message in json format
"""
if self.connection.read_only:
return {
"error": {
"msg": "Graphium connection is set to read-only!"
}
}
url_query = QUrl(url)
if report_url:
self.report_info('DELETE ' + url_query.toString())
request = QNetworkRequest(url_query)
if self.connection.auth_cfg != '':
self.auth = 0
config = QgsAuthMethodConfig()
QgsApplication.authManager().loadAuthenticationConfig(
self.connection.auth_cfg, config, True)
concatenated = config.configMap(
)['username'] + ":" + config.configMap()['password']
data = base64.encodebytes(concatenated.encode("utf-8")).replace(
'\n'.encode("utf-8"), ''.encode("utf-8"))
request.setRawHeader("Authorization".encode("utf-8"),
("Basic %s" % data).encode("utf-8"))
request.setRawHeader("Accept".encode("utf-8"),
"*/*".encode("utf-8"))
loop = QEventLoop()
reply = self.network_access_manager.deleteResource(request)
reply.finished.connect(loop.quit)
loop.exec_()
return self.process_q_reply(reply)
def _addBodyToRequest(self, body, request):
"""
Add the require headers for sending the body.
It detect the type of body for sending the corresponding headers
and methods.
:param body: The body
:returns: The body compatible with Qt
"""
if body is None:
return None
if isinstance(body, dict):
body = json.dumps(body)
request.setRawHeader(b"Content-Type", b"application/json")
request.setRawHeader(b"Content-Length", str(len(body)).encode())
data = QtCore.QByteArray(body.encode())
body = QtCore.QBuffer(self)
body.setData(data)
body.open(QtCore.QIODevice.ReadOnly)
return body
elif isinstance(body, pathlib.Path):
body = QtCore.QFile(str(body), self)
body.open(QtCore.QFile.ReadOnly)
request.setRawHeader(b"Content-Type", b"application/octet-stream")
# QT is smart and will compute the Content-Lenght for us
return body
else:
return None
def _sendRequest(self, url, params, headers={}):
if self.asynchonous:
if self.reply is not None:
self.reply.finished.disconnect(self.reply_finished)
self.reply.abort()
self.reply = None
url = QUrl(url)
urlQuery = QUrlQuery(url)
for key, value in params.items():
urlQuery.addQueryItem(key, value)
QgsLogger.debug('Request: {}'.format(url.toEncoded()))
url.setQuery(urlQuery)
request = QNetworkRequest(url)
for key, value in headers.items():
request.setRawHeader(key, value)
self.reply = QgsNetworkAccessManager.instance().get(request)
else:
url = url + '?' + urllib.parse.urlencode(params)
response = urllib.request.urlopen(url)
data = json.load(response)
self.load_data(data)
def executeHTTPQuery(self, method, path, callback, body, context={}):
"""
Call the remote server
:param method: HTTP method
:param path: Remote path
:param body: params to send (dictionary)
:param callback: callback method to call when the server replies
:param context: Pass a context to the response callback
"""
import copy
context = copy.copy(context)
context["query_id"] = str(uuid.uuid4())
self.notify_progress_start_query(context["query_id"])
log.debug("{method} {scheme}://{host}:{port}/v1{path} {body}".format(method=method, scheme=self.scheme, host=self.host, port=self.port, path=path, body=body))
url = QtCore.QUrl("{scheme}://{host}:{port}/v1{path}".format(scheme=self.scheme, host=self.host, port=self.port, path=path))
request = self._request(url)
request = self.addAuth(request)
request.setRawHeader("Content-Type", "application/json")
request.setRawHeader("Content-Length", str(len(body)))
request.setRawHeader("User-Agent", "GNS3 QT Client v{version}".format(version=__version__))
if method == "GET":
response = self._network_manager.get(request)
if method == "PUT":
body = json.dumps(body)
request.setRawHeader("Content-Type", "application/json")
request.setRawHeader("Content-Length", str(len(body)))
response = self._network_manager.put(request, body)
if method == "POST":
body = json.dumps(body)
request.setRawHeader("Content-Type", "application/json")
request.setRawHeader("Content-Length", str(len(body)))
response = self._network_manager.post(request, body)
if method == "DELETE":
response = self._network_manager.deleteResource(request)
if HTTPClient._progress_callback and HTTPClient._progress_callback.progress_dialog():
request_canceled = partial(self._requestCanceled, response, context)
HTTPClient._progress_callback.progress_dialog().canceled.connect(request_canceled)
response.finished.connect(partial(self._processResponse, response, callback, context))
def getSynchronous(self, method, endpoint, prefix="/v2", timeout=5):
"""
Synchronous check if a server is running
:returns: Tuple (Status code, json of answer). Status 0 is a non HTTP error
"""
host = self._getHostForQuery()
log.debug(
"{method} {protocol}://{host}:{port}{prefix}{endpoint}".format(
method=method,
protocol=self._protocol,
host=host,
port=self._port,
prefix=prefix,
endpoint=endpoint))
if self._user:
url = QtCore.QUrl(
"{protocol}://{user}@{host}:{port}{prefix}{endpoint}".format(
protocol=self._protocol,
user=self._user,
host=host,
port=self._port,
prefix=prefix,
endpoint=endpoint))
else:
url = QtCore.QUrl(
"{protocol}://{host}:{port}{prefix}{endpoint}".format(
protocol=self._protocol,
host=host,
port=self._port,
prefix=prefix,
endpoint=endpoint))
request = self._request(url)
request = self._addAuth(request)
request.setRawHeader(
b"User-Agent",
"GNS3 QT Client v{version}".format(version=__version__).encode())
try:
response = self._network_manager.sendCustomRequest(
request, method.encode())
except SystemError as e:
log.error("Can't send query: {}".format(str(e)))
return
loop = QtCore.QEventLoop()
response.finished.connect(loop.quit)
if timeout is not None:
QtCore.QTimer.singleShot(
timeout * 1000, qpartial(self._timeoutSlot, response, timeout))
if not loop.isRunning():
loop.exec_()
status = response.attribute(
QtNetwork.QNetworkRequest.HttpStatusCodeAttribute)
if response.error() != QtNetwork.QNetworkReply.NoError:
log.debug("Error while connecting to local server {}".format(
response.errorString()))
return status, None
else:
content_type = response.header(
QtNetwork.QNetworkRequest.ContentTypeHeader)
if status == 200:
if content_type == "application/json":
content = bytes(response.readAll())
json_data = json.loads(content.decode("utf-8"))
return status, json_data
else:
return status, None
return 0, None
def _executeHTTPQuery(self,
method,
path,
callback,
body,
context={},
downloadProgressCallback=None,
showProgress=True,
ignoreErrors=False,
progressText=None,
server=None,
timeout=120,
prefix="/v2",
params={},
networkManager=None,
eventsHandler=None,
**kwargs):
"""
Call the remote server
:param method: HTTP method
:param path: Remote path
:param body: params to send (dictionary)
:param callback: callback method to call when the server replies
:param context: Pass a context to the response callback
:param downloadProgressCallback: Callback called when received something, it can be an incomplete response
:param showProgress: Display progress to the user
:param networkManager: The network manager to use. If None use default
:param progressText: Text display to user in progress dialog. None for auto generated
:param ignoreErrors: Ignore connection error (usefull to not closing a connection when notification feed is broken)
:param server: The server where the query is executed
:param timeout: Delay in seconds before raising a timeout
:param eventsHandler: Handler receiving and triggering events like `updated`, `cancelled`.
If not specified and showProgress is `True` then `ProgressDialog` receives them.
:param params: Query arguments parameters
:returns: QNetworkReply
"""
host = self._getHostForQuery()
query_string = self._paramsToQueryString(params)
log.debug(
"{method} {protocol}://{host}:{port}{prefix}{path} {body}{query_string}"
.format(method=method,
protocol=self._protocol,
host=host,
port=self._port,
path=path,
body=body,
prefix=prefix,
query_string=query_string))
if self._user:
url = QtCore.QUrl(
"{protocol}://{user}@{host}:{port}{prefix}{path}{query_string}"
.format(protocol=self._protocol,
user=self._user,
host=host,
port=self._port,
path=path,
prefix=prefix,
query_string=query_string))
else:
url = QtCore.QUrl(
"{protocol}://{host}:{port}{prefix}{path}{query_string}".
format(protocol=self._protocol,
host=host,
port=self._port,
path=path,
prefix=prefix,
query_string=query_string))
request = self._request(url)
request = self._addAuth(request)
request.setRawHeader(
b"User-Agent",
"GNS3 QT Client v{version}".format(version=__version__).encode())
# By default QT doesn't support GET with body even if it's in the RFC that's why we need to use sendCustomRequest
body = self._addBodyToRequest(body, request)
if not networkManager:
networkManager = self._network_manager
try:
response = networkManager.sendCustomRequest(
request, method.encode(), body)
except SystemError as e:
log.error("Can't send query: {}".format(str(e)))
return
context = copy.copy(context)
context["query_id"] = str(uuid.uuid4())
response.finished.connect(
qpartial(self._processResponse, response, server, callback,
context, body, ignoreErrors))
response.error.connect(
qpartial(self._processError, response, server, callback, context,
body, ignoreErrors))
if downloadProgressCallback is not None:
response.readyRead.connect(
qpartial(self._readyReadySlot, response,
downloadProgressCallback, context, server))
request_canceled = qpartial(self._requestCanceled, response, context)
if eventsHandler is not None:
eventsHandler.canceled.connect(request_canceled)
elif not sip_is_deleted(
HTTPClient._progress_callback
) and HTTPClient._progress_callback.progress_dialog():
HTTPClient._progress_callback.progress_dialog().canceled.connect(
request_canceled)
if showProgress:
response.uploadProgress.connect(
qpartial(self._notify_progress_upload, context["query_id"]))
response.downloadProgress.connect(
qpartial(self._notify_progress_download, context["query_id"]))
# Should be the last operation otherwise we have race condition in Qt
# where query start before finishing connect to everything
self._notify_progress_start_query(context["query_id"],
progressText, response)
if timeout is not None:
QtCore.QTimer.singleShot(
timeout * 1000, qpartial(self._timeoutSlot, response, timeout))
return response
def _executeHTTPQuery(self, method, path, callback, body, context={}, downloadProgressCallback=None, showProgress=True, ignoreErrors=False, progressText=None, server=None, timeout=120, prefix="/v2", params={}, networkManager=None, eventsHandler=None, **kwargs):
"""
Call the remote server
:param method: HTTP method
:param path: Remote path
:param body: params to send (dictionary)
:param callback: callback method to call when the server replies
:param context: Pass a context to the response callback
:param downloadProgressCallback: Callback called when received something, it can be an incomplete response
:param showProgress: Display progress to the user
:param networkManager: The network manager to use. If None use default
:param progressText: Text display to user in progress dialog. None for auto generated
:param ignoreErrors: Ignore connection error (usefull to not closing a connection when notification feed is broken)
:param server: The server where the query is executed
:param timeout: Delay in seconds before raising a timeout
:param eventsHandler: Handler receiving and triggering events like `updated`, `cancelled`.
If not specified and showProgress is `True` then `ProgressDialog` receives them.
:param params: Query arguments parameters
:returns: QNetworkReply
"""
host = self._getHostForQuery()
query_string = self._paramsToQueryString(params)
log.debug("{method} {protocol}://{host}:{port}{prefix}{path} {body}{query_string}".format(method=method, protocol=self._protocol, host=host, port=self._port, path=path, body=body, prefix=prefix, query_string=query_string))
if self._user:
url = QtCore.QUrl("{protocol}://{user}@{host}:{port}{prefix}{path}{query_string}".format(protocol=self._protocol, user=self._user, host=host, port=self._port, path=path, prefix=prefix, query_string=query_string))
else:
url = QtCore.QUrl("{protocol}://{host}:{port}{prefix}{path}{query_string}".format(protocol=self._protocol, host=host, port=self._port, path=path, prefix=prefix, query_string=query_string))
request = self._request(url)
request = self._addAuth(request)
request.setRawHeader(b"User-Agent", "GNS3 QT Client v{version}".format(version=__version__).encode())
# By default QT doesn't support GET with body even if it's in the RFC that's why we need to use sendCustomRequest
body = self._addBodyToRequest(body, request)
if not networkManager:
networkManager = self._network_manager
try:
response = networkManager.sendCustomRequest(request, method.encode(), body)
except SystemError as e:
log.error("Can't send query: {}".format(str(e)))
return
context = copy.copy(context)
context["query_id"] = str(uuid.uuid4())
response.finished.connect(qpartial(self._processResponse, response, server, callback, context, body, ignoreErrors))
response.error.connect(qpartial(self._processError, response, server, callback, context, body, ignoreErrors))
if downloadProgressCallback is not None:
response.readyRead.connect(qpartial(self._readyReadySlot, response, downloadProgressCallback, context, server))
request_canceled = qpartial(self._requestCanceled, response, context)
if eventsHandler is not None:
eventsHandler.canceled.connect(request_canceled)
elif not sip_is_deleted(HTTPClient._progress_callback) and HTTPClient._progress_callback.progress_dialog():
HTTPClient._progress_callback.progress_dialog().canceled.connect(request_canceled)
if showProgress:
response.uploadProgress.connect(qpartial(self._notify_progress_upload, context["query_id"]))
response.downloadProgress.connect(qpartial(self._notify_progress_download, context["query_id"]))
# Should be the last operation otherwise we have race condition in Qt
# where query start before finishing connect to everything
self._notify_progress_start_query(context["query_id"], progressText, response)
if timeout is not None:
QtCore.QTimer.singleShot(timeout * 1000, qpartial(self._timeoutSlot, response, timeout))
return response
def executeHTTPQuery(self, method, path, callback, body, context={}):
"""
Call the remote server
:param method: HTTP method
:param path: Remote path
:param body: params to send (dictionary)
:param callback: callback method to call when the server replies
:param context: Pass a context to the response callback
"""
import copy
context = copy.copy(context)
context["query_id"] = str(uuid.uuid4())
self.notify_progress_start_query(context["query_id"])
log.debug("{method} {scheme}://{host}:{port}/v1{path} {body}".format(method=method, scheme=self.scheme, host=self.host, port=self.port, path=path, body=body))
url = QtCore.QUrl("{scheme}://{host}:{port}/v1{path}".format(scheme=self.scheme, host=self.host, port=self.port, path=path))
request = self._request(url)
request.setRawHeader("Content-Type", "application/json")
request.setRawHeader("Content-Length", str(len(body)))
request.setRawHeader("User-Agent", "GNS3 QT Client v{version}".format(version=__version__))
if method == "GET":
response = self._network_manager.get(request)
if method == "PUT":
body = json.dumps(body)
request.setRawHeader("Content-Type", "application/json")
request.setRawHeader("Content-Length", str(len(body)))
response = self._network_manager.put(request, body)
if method == "POST":
body = json.dumps(body)
request.setRawHeader("Content-Type", "application/json")
request.setRawHeader("Content-Length", str(len(body)))
response = self._network_manager.post(request, body)
if method == "DELETE":
response = self._network_manager.deleteResource(request)
response.finished.connect(partial(self._processResponse, response, callback, context))
if HTTPClient._progress_callback and HTTPClient._progress_callback.progress_dialog():
request_canceled = partial(self._requestCanceled, response, context)
HTTPClient._progress_callback.progress_dialog().canceled.connect(request_canceled)