# CS3Client
`CS3Client` is a Python client for interacting with the CS3 (Cloud Sync&Share Storage) [APIs](https://github.com/cs3org/cs3apis). It allows users to seamlessly communicate with cloud storage services that support CS3 protocols, enabling file management, data transfer, and other cloud-based operations.
## Table of Contents
- [Features](#features)
- [Installation](#installation)
- [Usage](#usage)
- [Configuration](#configuration)
- [Examples](#examples)
- [Documentation](#documentation)
- [License](#license)
## Features
- Simple and easy-to-use API client for CS3 services.
- Support for common file operations (read, write, delete, rename, ...).
- Support for common lock operations (set lock, get lock, unlock, ...).
- Support for common share operations (create share, update share, delete share, ...).
- Support for common user operations (get user, find users, get user groups, ...).
- Support for restoring files through checkpoints (restore file version, list checkpoints).
- Support for applications (open in app, list app providers).
- Authentication and authorization handling.
- Cross-platform compatibility.
- Detailed error handling and logging.
## Installation
To install `cs3client`, you need to have Python 3.7+ installed. You can install the package via `pip`:
```bash
pip install cs3client
```
Alternatively, you can clone this repository and install manually:
```bash
git clone git@github.com:cs3org/cs3-python-client.git
cd cs3-python-client
pip install .
```
## Configuration
`CS3Client` can be configured by passing specific parameters when initializing the client through a ConfigParser instance.
### Parameters:
#### Required
- `host`
#### Optional (parameter - default)
- `chunk_size` - 4194384
- `grpc_timeout` - 10
- `http_timeout` - 10
- `tus_enabled` - False
- `ssl_enabled` - False
- `ssl_client_cert` - None
- `ssl_client_key` - None
- `ssl_ca_cert` - None
- `auth_client_id` - None
- `auth_login_type` - "basic"
- `lock_by_setting_attr` - False
- `lock_not_impl` - False
- `lock_expiration` - 1800
#### Example configuration
```yaml
[cs3client]
# Required
host = localhost:19000
# Optional, defaults to 4194304
chunk_size = 4194304
# Optional, defaults to 10
grpc_timeout = 10
# Optional, defaults to 10
http_timeout = 10
# Optional, defaults to True
tus_enabled = False
# Optional, defaults to True
ssl_enabled = False
# Optional, defaults to True
ssl_verify = False
# Optional, defaults to an empty string
ssl_client_cert = test_client_cert
# Optional, defaults to an empty string
ssl_client_key = test_client_key
# Optional, defaults to an empty string
ssl_ca_cert = test_ca_cert
# Optinal, defaults to an empty string
auth_client_id = einstein
# Optional (can also be set when instansiating the class)
auth_client_secret = relativity
# Optional, defaults to basic
auth_login_type = basic
# Optional, defaults to False
lock_by_setting_attr = False
# Optional, defaults to False
lock_not_impl = False
# Optional, defaults to 1800
lock_expiration = 1800
```
## Usage
To use `cs3client`, you first need to import and configure it. Here's a simple example of how to set up and start using the client. For configuration see [Configuration](#configuration). For more in depth examples see `cs3-python-client/examples/`.
### Initilization and Authentication
```python
import logging
import configparser
from cs3client.cs3client import CS3Client
from cs3client.auth import Auth
config = configparser.ConfigParser()
with open("default.conf") as fdef:
config.read_file(fdef)
log = logging.getLogger(__name__)
client = CS3Client(config, "cs3client", log)
auth = Auth(client)
# Set the client id (can also be set in the config)
auth.set_client_id("<your_client_id_here>")
# Set client secret (can also be set in config)
auth.set_client_secret("<your_client_secret_here>")
# Checks if token is expired if not return ('x-access-token', <token>)
# if expired, request a new token from reva
auth_token = auth.get_token()
# OR if you already have a reva token
# Checks if token is expired if not return (x-access-token', <token>)
# if expired, throws an AuthenticationException (so you can refresh your reva token)
token = "<your_reva_token>"
auth_token = Auth.check_token(token)
```
### File Example
```python
# mkdir
directory_resource = Resource(abs_path=f"/eos/user/r/rwelande/test_directory")
res = client.file.make_dir(auth.get_token(), directory_resource)
# touchfile
touch_resource = Resource(abs_path="/eos/user/r/rwelande/touch_file.txt")
res = client.file.touch_file(auth.get_token(), touch_resource)
# setxattr
resource = Resource(abs_path="/eos/user/r/rwelande/text_file.txt")
res = client.file.set_xattr(auth.get_token(), resource, "iop.wopi.lastwritetime", str(1720696124))
# rmxattr
res = client.file.remove_xattr(auth.get_token(), resource, "iop.wopi.lastwritetime")
# stat
res = client.file.stat(auth.get_token(), resource)
# removefile
res = client.file.remove_file(auth.get_token(), touch_resource)
# rename
rename_resource = Resource(abs_path="/eos/user/r/rwelande/rename_file.txt")
res = client.file.rename_file(auth.get_token(), resource, rename_resource)
# writefile
content = b"Hello World"
size = len(content)
res = client.file.write_file(auth.get_token(), rename_resource, content, size)
# listdir
list_directory_resource = Resource(abs_path="/eos/user/r/rwelande")
res = client.file.list_dir(auth.get_token(), list_directory_resource)
# readfile
file_res = client.file.read_file(auth.get_token(), rename_resource)
```
### Lock Example
```python
WEBDAV_LOCK_PREFIX = 'opaquelocktoken:797356a8-0500-4ceb-a8a0-c94c8cde7eba'
def encode_lock(lock):
'''Generates the lock payload for the storage given the raw metadata'''
if lock:
return WEBDAV_LOCK_PREFIX + ' ' + b64encode(lock.encode()).decode()
return None
resource = Resource(abs_path="/eos/user/r/rwelande/lock_test.txt")
# Set lock
client.file.set_lock(auth_token, resource, app_name="a", lock_id=encode_lock("some_lock"))
# Get lock
res = client.file.get_lock(auth_token, resource)
if res is not None:
lock_id = res["lock_id"]
print(res)
# Unlock
res = client.file.unlock(auth_token, resource, app_name="a", lock_id=lock_id)
# Refresh lock
client.file.set_lock(auth_token, resource, app_name="a", lock_id=encode_lock("some_lock"))
res = client.file.refresh_lock(
auth_token, resource, app_name="a", lock_id=encode_lock("new_lock"), existing_lock_id=lock_id
)
if res is not None:
print(res)
res = client.file.get_lock(auth_token, resource)
if res is not None:
print(res)
```
### Share Example
```python
# Create share #
resource = Resource(abs_path="/eos/user/r/<some_username>/text.txt")
resource_info = client.file.stat(auth.get_token(), resource)
user = client.user.get_user_by_claim("username", "<some_username>")
res = client.share.create_share(auth.get_token(), resource_info, user.id.opaque_id, user.id.idp, "EDITOR", "USER")
# List existing shares #
filter_list = []
filter = client.share.create_share_filter(resource_id=resource_info.id, filter_type="TYPE_RESOURCE_ID")
filter_list.append(filter)
filter = client.share.create_share_filter(share_state="SHARE_STATE_PENDING", filter_type="TYPE_STATE")
filter_list.append(filter)
res, _ = client.share.list_existing_shares(auth.get_token(), )
# Get share #
share_id = "58"
res = client.share.get_share(auth.get_token(), opaque_id=share_id)
# update share #
res = client.share.update_share(auth.get_token(), opaque_id=share_id, role="VIEWER")
# remove share #
res = client.share.remove_share(auth.get_token(), opaque_id=share_id)
# List existing received shares #
filter_list = []
filter = client.share.create_share_filter(share_state="SHARE_STATE_ACCEPTED", filter_type="TYPE_STATE")
filter_list.append(filter)
res, _ = client.share.list_received_existing_shares(auth.get_token())
# get received share #
received_share = client.share.get_received_share(auth.get_token(), opaque_id=share_id)
# update recieved share #
res = client.share.update_received_share(auth.get_token(), received_share=received_share, state="SHARE_STATE_ACCEPTED")
# create public share #
res = client.share.create_public_share(auth.get_token(), resource_info, role="VIEWER")
# list existing public shares #
filter_list = []
filter = client.share.create_public_share_filter(resource_id=resource_info.id, filter_type="TYPE_RESOURCE_ID")
filter_list.append(filter)
res, _ = client.share.list_existing_public_shares(filter_list=filter_list)
res = client.share.get_public_share(auth.get_token(), opaque_id=share_id, sign=True)
# OR token = "<token>"
# res = client.share.get_public_share(token=token, sign=True)
# update public share #
res = client.share.update_public_share(auth.get_token(), type="TYPE_PASSWORD", token=token, role="VIEWER", password="hello")
# remove public share #
res = client.share.remove_public_share(auth.get_token(), token=token)
```
### User Example
```python
# find_user
res = client.user.find_users(auth.get_token(), "rwel")
# get_user
res = client.user.get_user("https://auth.cern.ch/auth/realms/cern", "asdoiqwe")
# get_user_groups
res = client.user.get_user_groups("https://auth.cern.ch/auth/realms/cern", "rwelande")
# get_user_by_claim (mail)
res = client.user.get_user_by_claim("mail", "rasmus.oscar.welander@cern.ch")
# get_user_by_claim (username)
res = client.user.get_user_by_claim("username", "rwelande")
```
### App Example
```python
# list_app_providers
res = client.app.list_app_providers(auth.get_token())
# open_in_app
resource = Resource(abs_path="/eos/user/r/rwelande/collabora.odt")
res = client.app.open_in_app(auth.get_token(), resource)
```
### Checkpoint Example
```python
# list file versions
resource = Resource(abs_path="/eos/user/r/rwelande/test.md")
res = client.checkpoint.list_file_versions(auth.get_token(), resource)
# restore file version
res = client.checkpoint.restore_file_version(auth.get_token(), resource, "1722936250.0569fa2f")
```
## Documentation
The documentation can be generated using sphinx
```bash
pip install sphinx
cd docs
make html
```
## Unit tests
```bash
pytest --cov-report term --cov=serc tests/
```
## License
This project is licensed under the Apache 2.0 License. See the LICENSE file for more details.
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"description": "# CS3Client\n\n`CS3Client` is a Python client for interacting with the CS3 (Cloud Sync&Share Storage) [APIs](https://github.com/cs3org/cs3apis). It allows users to seamlessly communicate with cloud storage services that support CS3 protocols, enabling file management, data transfer, and other cloud-based operations.\n\n## Table of Contents\n\n- [Features](#features)\n- [Installation](#installation)\n- [Usage](#usage)\n- [Configuration](#configuration)\n- [Examples](#examples)\n- [Documentation](#documentation)\n- [License](#license)\n\n\n## Features\n\n- Simple and easy-to-use API client for CS3 services.\n- Support for common file operations (read, write, delete, rename, ...).\n- Support for common lock operations (set lock, get lock, unlock, ...).\n- Support for common share operations (create share, update share, delete share, ...).\n- Support for common user operations (get user, find users, get user groups, ...).\n- Support for restoring files through checkpoints (restore file version, list checkpoints).\n- Support for applications (open in app, list app providers).\n- Authentication and authorization handling.\n- Cross-platform compatibility.\n- Detailed error handling and logging.\n\n## Installation\n\nTo install `cs3client`, you need to have Python 3.7+ installed. You can install the package via `pip`:\n\n```bash\npip install cs3client\n```\nAlternatively, you can clone this repository and install manually:\n```bash\ngit clone git@github.com:cs3org/cs3-python-client.git\ncd cs3-python-client\npip install . \n```\n\n\n## Configuration\n\n`CS3Client` can be configured by passing specific parameters when initializing the client through a ConfigParser instance.\n\n### Parameters:\n\n#### Required\n- `host`\n\n#### Optional (parameter - default)\n- `chunk_size` - 4194384\n- `grpc_timeout` - 10\n- `http_timeout` - 10\n- `tus_enabled` - False\n- `ssl_enabled` - False\n- `ssl_client_cert` - None\n- `ssl_client_key` - None\n- `ssl_ca_cert` - None\n- `auth_client_id` - None\n- `auth_login_type` - \"basic\"\n- `lock_by_setting_attr` - False\n- `lock_not_impl` - False\n- `lock_expiration` - 1800\n\n#### Example configuration\n```yaml\n[cs3client]\n\n# Required\nhost = localhost:19000\n# Optional, defaults to 4194304\nchunk_size = 4194304\n# Optional, defaults to 10\ngrpc_timeout = 10\n# Optional, defaults to 10\nhttp_timeout = 10\n\n# Optional, defaults to True\ntus_enabled = False\n\n# Optional, defaults to True\nssl_enabled = False\n# Optional, defaults to True\nssl_verify = False\n# Optional, defaults to an empty string\nssl_client_cert = test_client_cert\n# Optional, defaults to an empty string\nssl_client_key = test_client_key\n# Optional, defaults to an empty string\nssl_ca_cert = test_ca_cert\n\n# Optinal, defaults to an empty string\nauth_client_id = einstein\n# Optional (can also be set when instansiating the class)\nauth_client_secret = relativity\n# Optional, defaults to basic\nauth_login_type = basic\n\n# Optional, defaults to False\nlock_by_setting_attr = False\n# Optional, defaults to False\nlock_not_impl = False\n# Optional, defaults to 1800\nlock_expiration = 1800\n\n\n```\n\n## Usage\n\nTo use `cs3client`, you first need to import and configure it. Here's a simple example of how to set up and start using the client. For configuration see [Configuration](#configuration). For more in depth examples see `cs3-python-client/examples/`. \n\n### Initilization and Authentication\n```python\nimport logging\nimport configparser\nfrom cs3client.cs3client import CS3Client\nfrom cs3client.auth import Auth\n\nconfig = configparser.ConfigParser()\nwith open(\"default.conf\") as fdef:\n config.read_file(fdef)\nlog = logging.getLogger(__name__)\n\nclient = CS3Client(config, \"cs3client\", log)\nauth = Auth(client)\n# Set the client id (can also be set in the config)\nauth.set_client_id(\"<your_client_id_here>\")\n# Set client secret (can also be set in config)\nauth.set_client_secret(\"<your_client_secret_here>\")\n# Checks if token is expired if not return ('x-access-token', <token>)\n# if expired, request a new token from reva\nauth_token = auth.get_token()\n\n# OR if you already have a reva token\n# Checks if token is expired if not return (x-access-token', <token>)\n# if expired, throws an AuthenticationException (so you can refresh your reva token)\ntoken = \"<your_reva_token>\"\nauth_token = Auth.check_token(token)\n\n```\n\n### File Example\n```python\n# mkdir\ndirectory_resource = Resource(abs_path=f\"/eos/user/r/rwelande/test_directory\")\nres = client.file.make_dir(auth.get_token(), directory_resource)\n\n# touchfile\ntouch_resource = Resource(abs_path=\"/eos/user/r/rwelande/touch_file.txt\")\nres = client.file.touch_file(auth.get_token(), touch_resource)\n\n# setxattr\nresource = Resource(abs_path=\"/eos/user/r/rwelande/text_file.txt\")\nres = client.file.set_xattr(auth.get_token(), resource, \"iop.wopi.lastwritetime\", str(1720696124))\n\n# rmxattr\nres = client.file.remove_xattr(auth.get_token(), resource, \"iop.wopi.lastwritetime\")\n\n# stat\nres = client.file.stat(auth.get_token(), resource)\n\n# removefile\nres = client.file.remove_file(auth.get_token(), touch_resource)\n\n# rename\nrename_resource = Resource(abs_path=\"/eos/user/r/rwelande/rename_file.txt\")\nres = client.file.rename_file(auth.get_token(), resource, rename_resource)\n\n# writefile\ncontent = b\"Hello World\"\nsize = len(content)\nres = client.file.write_file(auth.get_token(), rename_resource, content, size)\n\n# listdir\nlist_directory_resource = Resource(abs_path=\"/eos/user/r/rwelande\")\nres = client.file.list_dir(auth.get_token(), list_directory_resource)\n\n\n# readfile\nfile_res = client.file.read_file(auth.get_token(), rename_resource)\n```\n### Lock Example\n```python\n\nWEBDAV_LOCK_PREFIX = 'opaquelocktoken:797356a8-0500-4ceb-a8a0-c94c8cde7eba'\n\n\ndef encode_lock(lock):\n '''Generates the lock payload for the storage given the raw metadata'''\n if lock:\n return WEBDAV_LOCK_PREFIX + ' ' + b64encode(lock.encode()).decode()\n return None\n\nresource = Resource(abs_path=\"/eos/user/r/rwelande/lock_test.txt\")\n\n# Set lock\nclient.file.set_lock(auth_token, resource, app_name=\"a\", lock_id=encode_lock(\"some_lock\"))\n\n# Get lock\nres = client.file.get_lock(auth_token, resource)\nif res is not None:\n lock_id = res[\"lock_id\"]\n print(res)\n\n# Unlock\nres = client.file.unlock(auth_token, resource, app_name=\"a\", lock_id=lock_id)\n\n# Refresh lock\nclient.file.set_lock(auth_token, resource, app_name=\"a\", lock_id=encode_lock(\"some_lock\"))\nres = client.file.refresh_lock(\n auth_token, resource, app_name=\"a\", lock_id=encode_lock(\"new_lock\"), existing_lock_id=lock_id\n)\n\nif res is not None:\n print(res)\n\nres = client.file.get_lock(auth_token, resource)\nif res is not None:\n print(res)\n\n```\n\n### Share Example\n```python\n# Create share #\nresource = Resource(abs_path=\"/eos/user/r/<some_username>/text.txt\")\nresource_info = client.file.stat(auth.get_token(), resource)\nuser = client.user.get_user_by_claim(\"username\", \"<some_username>\")\nres = client.share.create_share(auth.get_token(), resource_info, user.id.opaque_id, user.id.idp, \"EDITOR\", \"USER\")\n\n# List existing shares #\nfilter_list = []\nfilter = client.share.create_share_filter(resource_id=resource_info.id, filter_type=\"TYPE_RESOURCE_ID\")\nfilter_list.append(filter)\nfilter = client.share.create_share_filter(share_state=\"SHARE_STATE_PENDING\", filter_type=\"TYPE_STATE\")\nfilter_list.append(filter)\nres, _ = client.share.list_existing_shares(auth.get_token(), )\n\n# Get share #\nshare_id = \"58\"\nres = client.share.get_share(auth.get_token(), opaque_id=share_id)\n\n# update share #\nres = client.share.update_share(auth.get_token(), opaque_id=share_id, role=\"VIEWER\")\n\n# remove share #\nres = client.share.remove_share(auth.get_token(), opaque_id=share_id)\n\n# List existing received shares #\nfilter_list = []\nfilter = client.share.create_share_filter(share_state=\"SHARE_STATE_ACCEPTED\", filter_type=\"TYPE_STATE\")\nfilter_list.append(filter)\nres, _ = client.share.list_received_existing_shares(auth.get_token())\n\n# get received share #\nreceived_share = client.share.get_received_share(auth.get_token(), opaque_id=share_id)\n\n# update recieved share #\nres = client.share.update_received_share(auth.get_token(), received_share=received_share, state=\"SHARE_STATE_ACCEPTED\")\n\n# create public share #\nres = client.share.create_public_share(auth.get_token(), resource_info, role=\"VIEWER\")\n\n# list existing public shares #\nfilter_list = []\nfilter = client.share.create_public_share_filter(resource_id=resource_info.id, filter_type=\"TYPE_RESOURCE_ID\")\nfilter_list.append(filter)\nres, _ = client.share.list_existing_public_shares(filter_list=filter_list)\n\nres = client.share.get_public_share(auth.get_token(), opaque_id=share_id, sign=True)\n# OR token = \"<token>\"\n# res = client.share.get_public_share(token=token, sign=True)\n\n# update public share #\nres = client.share.update_public_share(auth.get_token(), type=\"TYPE_PASSWORD\", token=token, role=\"VIEWER\", password=\"hello\")\n\n# remove public share #\nres = client.share.remove_public_share(auth.get_token(), token=token)\n\n```\n\n### User Example\n```python\n# find_user\nres = client.user.find_users(auth.get_token(), \"rwel\")\n\n# get_user\nres = client.user.get_user(\"https://auth.cern.ch/auth/realms/cern\", \"asdoiqwe\")\n\n# get_user_groups\nres = client.user.get_user_groups(\"https://auth.cern.ch/auth/realms/cern\", \"rwelande\")\n\n# get_user_by_claim (mail)\nres = client.user.get_user_by_claim(\"mail\", \"rasmus.oscar.welander@cern.ch\")\n\n# get_user_by_claim (username)\nres = client.user.get_user_by_claim(\"username\", \"rwelande\")\n\n```\n\n### App Example\n```python\n# list_app_providers\nres = client.app.list_app_providers(auth.get_token())\n\n# open_in_app\nresource = Resource(abs_path=\"/eos/user/r/rwelande/collabora.odt\")\nres = client.app.open_in_app(auth.get_token(), resource)\n```\n\n### Checkpoint Example\n```python\n# list file versions\nresource = Resource(abs_path=\"/eos/user/r/rwelande/test.md\")\nres = client.checkpoint.list_file_versions(auth.get_token(), resource)\n\n# restore file version\nres = client.checkpoint.restore_file_version(auth.get_token(), resource, \"1722936250.0569fa2f\")\n```\n\n## Documentation\nThe documentation can be generated using sphinx\n\n```bash\npip install sphinx\ncd docs\nmake html\n```\n\n## Unit tests\n\n```bash\npytest --cov-report term --cov=serc tests/\n```\n\n## License\n\nThis project is licensed under the Apache 2.0 License. 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