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Python SDK Update (#523)

Browse Source 
* added first iteration decorator for zrok and example flask server

* update requirements. Add context managing for share and access. Updated pastebin example to better cleanup

* setup and sample tweaks

* small linting updates and example changes

* A few small fixes

* fix long description

* Update the ignore file.
Considering moving location of this.

* Added flake8 linting for builds

* use python 3.10

* move setup python to its own block

* added back in the py name

* update changelogs and add readme

---------

Signed-off-by: Cam Otts <otts.cameron@gmail.com>
Co-authored-by: Kenneth Bingham <kenneth.bingham@netfoundry.io>
This commit is contained in:
Cam Otts 2024-01-17 10:46:19 -06:00 committed by GitHub
parent 16e2cff4c9
commit 3e6ab2b39b
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GPG Key ID: B5690EEEBB952194
30 changed files with 3424 additions and 83 deletions
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1
.flake8
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@ -1,2 +1,3 @@
[flake8]
max-line-length = 120
exclude = zrok_api, build

13
.github/workflows/ci-build.yml vendored
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@ -51,6 +51,19 @@ jobs:
shell: bash
run: go test -v ./...
- name: setup python
uses: actions/setup-python@v3
with:
python-version: '3.10'
- name: python deps
shell: bash
run: python -m pip install -U pip flake8
- name: python lint
shell: bash
run: flake8 sdk/python/sdk/zrok
- name: solve GOBIN
id: solve_go_bin
shell: bash

8
CHANGELOG.md
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@ -6,6 +6,14 @@ CHANGE: Improved OpenZiti resource cleanup resilience. Previous resource cleanup
CHANGE: Instead of setting the `ListenOptions.MaxConnections` property to `64`, use the default value of `3`. This property actually controls the number of terminators created on the underlying OpenZiti network. This property is actually getting renamed to `ListenOptions.MaxTerminators` in an upcoming release of `github.com/openziti/sdk-golang` (https://github.com/openziti/zrok/issues/535)
CHANGE: Versioning for the Python SDK has been updated to use versioneer for management.
CHANGE: Python SDK package name has been renamed to `zrok`, dropping the `-sdk` postfix. [pypi](https://pypi.org/project/zrok).
FEATURE: Python SDK now has a decorator for integrating with various server side frameworks. See the `http-server` example.
FEATURE: Python SDK share and access handling now supports context management.
## v0.4.22
FIX: The goreleaser action is not updated to work with the latest golang build. Modifed `go.mod` to comply with what goreleaser expects

59
sdk/golang/examples/http-server/README.md Normal file
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@ -0,0 +1,59 @@
# "http-server" SDK Example
This `http-server` example is a minimal `zrok` application that surfaces a basic http server over a public zrok share.
## Implementation
```go
root, err := environment.LoadRoot()
if err != nil {
panic(err)
}
```
The `root` is a structure that contains all of the user's environment detail and allows the SDK application to access the `zrok` service instance and the underlying OpenZiti network.
```go
shr, err := sdk.CreateShare(root, &sdk.ShareRequest{
BackendMode: sdk.TcpTunnelBackendMode,
ShareMode: sdk.PublicShareMode,
Frontends: []string{"public"},
Target: "http-server",
})
if err != nil {
panic(err)
}
defer func() {
if err := sdk.DeleteShare(root, shr); err != nil {
panic(err)
}
}()
...
fmt.Println("Access server at the following endpoints: ", strings.Join(shr.FrontendEndpoints, "\n"))
```
The `sdk.CreateShare` call uses the loaded `environment` root along with the details of the share request (`sdk.ShareRequest`) to create the share that will be used to access the `http-server`.
We are using the `sdk.TcpTunnelBackendMode` to handle tcp traffic. This time we are using `sdk.PublicShareMode` to take advantage of a public share that is running. With that we set which frontends to listen on, so we use whatever is configured, `public` here.
Further down we emit where to access the service.
Then we create a listener and use that to server our http server:
```go
conn, err := sdk.NewListener(shr.Token, root)
if err != nil {
panic(err)
}
defer conn.Close()
...
http.HandleFunc("/", helloZrok)
if err := http.Serve(conn, nil); err != nil {
panic(err)
}
```

51
sdk/golang/examples/http-server/cmd/http-server/main.go Normal file
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@ -0,0 +1,51 @@
package main
import (
"fmt"
"github.com/openziti/zrok/environment"
"github.com/openziti/zrok/sdk/golang/sdk"
"io"
"net/http"
"strings"
)
func helloZrok(w http.ResponseWriter, r *http.Request) {
io.WriteString(w, "Hello zrok!\n")
}
func main() {
root, err := environment.LoadRoot()
if err != nil {
panic(err)
}
shr, err := sdk.CreateShare(root, &sdk.ShareRequest{
BackendMode: sdk.TcpTunnelBackendMode,
ShareMode: sdk.PublicShareMode,
Frontends: []string{"public"},
Target: "http-server",
})
if err != nil {
panic(err)
}
defer func() {
if err := sdk.DeleteShare(root, shr); err != nil {
panic(err)
}
}()
conn, err := sdk.NewListener(shr.Token, root)
if err != nil {
panic(err)
}
defer conn.Close()
fmt.Println("Access server at the following endpoints: ", strings.Join(shr.FrontendEndpoints, "\n"))
http.HandleFunc("/", helloZrok)
if err := http.Serve(conn, nil); err != nil {
panic(err)
}
}

54
sdk/python/examples/http-server/README.md Normal file
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@ -0,0 +1,54 @@
# "http-server" SDK Example
This `http-server` example is a minimal `zrok` application that surfaces a basic http server over a public zrok share.
## Implementation
```go
root = zrok.environment.root.Load()
```
The `root` is a structure that contains all of the user's environment detail and allows the SDK application to access the `zrok` service instance and the underlying OpenZiti network.
```python
try:
shr = zrok.share.CreateShare(root=root, request=ShareRequest(
BackendMode=zrok.model.TCP_TUNNEL_BACKEND_MODE,
ShareMode=zrok.model.PUBLIC_SHARE_MODE,
Frontends=['public'],
Target="http-server"
))
shrToken = shr.Token
print("Access server at the following endpoints: ", "\n".join(shr.FrontendEndpoints))
def removeShare():
zrok.share.DeleteShare(root=root, shr=shr)
print("Deleted share")
atexit.register(removeShare)
except Exception as e:
print("unable to create share", e)
sys.exit(1)
```
The `sdk.CreateShare` call uses the loaded `environment` root along with the details of the share request (`sdk.ShareRequest`) to create the share that will be used to access the `http-server`.
We are using the `sdk.TcpTunnelBackendMode` to handle tcp traffic. This time we are using `sdk.PublicShareMode` to take advantage of a public share that is running. With that we set which frontends to listen on, so we use whatever is configured, `public` here.
Next we populate our cfg options for our decorator
```python
zrok_opts['cfg'] = zrok.decor.Opts(root=root, shrToken=shrToken, bindPort=bindPort)
```
Next we run the server which ends up calling the following:
```python
@zrok.decor.zrok(opts=zrok_opts)
def runApp():
from waitress import serve
# the port is only used to integrate Zrok with frameworks that expect a "hostname:port" combo
serve(app, port=bindPort)
```

3
sdk/python/examples/http-server/requirements.txt Normal file
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@ -0,0 +1,3 @@
Flask==3.0.0
waitress==2.1.2
zrok

48
sdk/python/examples/http-server/server.py Executable file
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@ -0,0 +1,48 @@
#!python3
from flask import Flask
import sys
import zrok
from zrok.model import ShareRequest
import atexit
app = Flask(__name__)
zrok_opts = {}
bindPort = 18081
@zrok.decor.zrok(opts=zrok_opts)
def runApp():
from waitress import serve
# the port is only used to integrate Zrok with frameworks that expect a "hostname:port" combo
serve(app, port=bindPort)
@app.route('/')
def hello_world():
print("received a request to /")
return "Look! It's zrok!"
if __name__ == '__main__':
root = zrok.environment.root.Load()
try:
shr = zrok.share.CreateShare(root=root, request=ShareRequest(
BackendMode=zrok.model.TCP_TUNNEL_BACKEND_MODE,
ShareMode=zrok.model.PUBLIC_SHARE_MODE,
Frontends=['public'],
Target="http-server"
))
shrToken = shr.Token
print("Access server at the following endpoints: ", "\n".join(shr.FrontendEndpoints))
def removeShare():
zrok.share.DeleteShare(root=root, shr=shr)
print("Deleted share")
atexit.register(removeShare)
except Exception as e:
print("unable to create share", e)
sys.exit(1)
zrok_opts['cfg'] = zrok.decor.Opts(root=root, shrToken=shrToken, bindPort=bindPort)
runApp()

0
sdk/python/examples/README.md → sdk/python/examples/pastebin/README.md
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37
sdk/python/examples/pastebin.py → sdk/python/examples/pastebin/pastebin.py
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@ -1,5 +1,6 @@
#!python3
import argparse
import atexit
import sys
import os
import zrok
@ -29,20 +30,23 @@ class copyto:
print("unable to create share", e)
sys.exit(1)
def removeShare():
try:
zrok.share.DeleteShare(root, shr)
except Exception as e:
print("unable to delete share", e)
sys.exit(1)
atexit.register(removeShare)
data = self.loadData()
print("access your pastebin using 'pastebin.py pastefrom " + shr.Token + "'")
try:
with zrok.listener.Listener(shr.Token, root) as server:
while not exit_signal.is_set():
conn, peer = server.accept()
with conn:
conn.sendall(data.encode('utf-8'))
with zrok.listener.Listener(shr.Token, root) as server:
while not exit_signal.is_set():
conn, peer = server.accept()
with conn:
conn.sendall(data.encode('utf-8'))
except KeyboardInterrupt:
pass
zrok.share.DeleteShare(root, shr)
print("Server stopped.")
@ -62,15 +66,18 @@ def pastefrom(options):
except Exception as e:
print("unable to create access", e)
sys.exit(1)
def removeAccess():
try:
zrok.access.DeleteAccess(root, acc)
except Exception as e:
print("unable to delete access", e)
sys.exit(1)
atexit.register(removeAccess)
client = zrok.dialer.Dialer(options.shrToken, root)
data = client.recv(1024)
print(data.decode('utf-8'))
try:
zrok.access.DeleteAccess(root, acc)
except Exception as e:
print("unable to delete access", e)
sys.exit(1)
if __name__ == "__main__":
parser = argparse.ArgumentParser()

2
sdk/python/examples/requirements.txt → sdk/python/examples/pastebin/requirements.txt
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@ -1,3 +1,3 @@
openziti==0.8.1
requests==2.31.0
zrok-sdk
zrok

1
sdk/python/sdk/zrok/.gitattributes vendored Normal file
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@ -0,0 +1 @@
zrok/_version.py export-subst

3
sdk/python/sdk/zrok/.swagger-codegen-ignore
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@ -28,4 +28,5 @@ tox.ini
test-requirements.txt
test/
docs/
README.md
README.md
setup.py

2
sdk/python/sdk/zrok/__init__.py
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@ -1 +1 @@
from . import environment
from . import environment # noqa

1
sdk/python/sdk/zrok/requirements.txt
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@ -3,3 +3,4 @@ six >= 1.10
python_dateutil >= 2.5.3
setuptools >= 21.0.0
urllib3 >= 1.15.1
openziti >= 0.8.1

33
sdk/python/sdk/zrok/setup.cfg Normal file
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@ -0,0 +1,33 @@
[metadata]
name = openziti
author = OpenZiti Developers
author_email = developers@openziti.org
description = Ziti Python SDK
long_description = file: README.md
long_description_content_type = text/markdown
url = https://github.com/openziti/zrok
license = Apache 2.0
project_urls =
Source = https://github.com/openziti/zrok
Tracker = https://github.com/openziti/zrok/issues
Discussion = https://openziti.discourse.group/
[options]
package_dir =
= .
packages = find:
[options.packages.find]
where = .
[flake8]
exclude = zrok_api, build
max-line-length = 120
[versioneer]
VCS = git
style = pep440-pre
versionfile_source = zrok/_version.py
versionfile_build = zrok/_version.py
tag_prefix = v
parentdir_prefix = zrok-

25
sdk/python/sdk/zrok/setup.py
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@ -1,18 +1,9 @@
# coding: utf-8
"""
zrok
zrok client access # noqa: E501
OpenAPI spec version: 0.3.0
Generated by: https://github.com/swagger-api/swagger-codegen.git
"""
from setuptools import setup, find_packages # noqa: H301
import os
import versioneer
NAME = "zrok_sdk"
# optionally upload to TestPyPi with alternative name in testing repo
NAME = os.getenv('ZROK_PY_NAME', "zrok")
VERSION = "1.0.0"
# To install the library, run the following
#
@ -21,19 +12,21 @@ VERSION = "1.0.0"
# prerequisite: setuptools
# http://pypi.python.org/pypi/setuptools
REQUIRES = ["urllib3 >= 1.15", "six >= 1.10", "certifi", "python-dateutil"]
REQUIRES = ["urllib3 >= 1.15", "six >= 1.10", "certifi", "python-dateutil", "openziti >= 0.8.1"]
setup(
name=NAME,
version=VERSION,
cmdclass=versioneer.get_cmdclass(dict()),
version=versioneer.get_version(),
description="zrok",
author_email="",
url="",
keywords=["Swagger", "zrok"],
install_requires=REQUIRES,
python_requires='>3.10.0',
packages=find_packages(),
include_package_data=True,
long_description="""\
zrok client access # noqa: E501
Geo-scale, next-generation peer-to-peer sharing platform built on top of OpenZiti.
"""
)

2277
sdk/python/sdk/zrok/versioneer.py Normal file
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6
sdk/python/sdk/zrok/zrok/__init__.py
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@ -1,2 +1,4 @@
from . import environment
from . import access, model, share, overview
from . import environment # noqa
from . import access, decor, model, share, overview # noqa
from . import _version
__version__ = _version.get_versions()['version']

683
sdk/python/sdk/zrok/zrok/_version.py Normal file
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@ -0,0 +1,683 @@
# This file helps to compute a version number in source trees obtained from
# git-archive tarball (such as those provided by githubs download-from-tag
# feature). Distribution tarballs (built by setup.py sdist) and build
# directories (produced by setup.py build) will contain a much shorter file
# that just contains the computed version number.
# This file is released into the public domain.
# Generated by versioneer-0.29
# https://github.com/python-versioneer/python-versioneer
"""Git implementation of _version.py."""
import errno
import os
import re
import subprocess
import sys
from typing import Any, Callable, Dict, List, Optional, Tuple
import functools
def get_keywords() -> Dict[str, str]:
"""Get the keywords needed to look up the version information."""
# these strings will be replaced by git during git-archive.
# setup.py/versioneer.py will grep for the variable names, so they must
# each be defined on a line of their own. _version.py will just call
# get_keywords().
git_refnames = "$Format:%d$"
git_full = "$Format:%H$"
git_date = "$Format:%ci$"
keywords = {"refnames": git_refnames, "full": git_full, "date": git_date}
return keywords
class VersioneerConfig:
"""Container for Versioneer configuration parameters."""
VCS: str
style: str
tag_prefix: str
parentdir_prefix: str
versionfile_source: str
verbose: bool
def get_config() -> VersioneerConfig:
"""Create, populate and return the VersioneerConfig() object."""
# these strings are filled in when 'setup.py versioneer' creates
# _version.py
cfg = VersioneerConfig()
cfg.VCS = "git"
cfg.style = "pep440-pre"
cfg.tag_prefix = "v"
cfg.parentdir_prefix = "zrok-"
cfg.versionfile_source = "zrok/_version.py"
cfg.verbose = False
return cfg
class NotThisMethod(Exception):
"""Exception raised if a method is not valid for the current scenario."""
LONG_VERSION_PY: Dict[str, str] = {}
HANDLERS: Dict[str, Dict[str, Callable]] = {}
def register_vcs_handler(vcs: str, method: str) -> Callable: # decorator
"""Create decorator to mark a method as the handler of a VCS."""
def decorate(f: Callable) -> Callable:
"""Store f in HANDLERS[vcs][method]."""
if vcs not in HANDLERS:
HANDLERS[vcs] = {}
HANDLERS[vcs][method] = f
return f
return decorate
def run_command(
commands: List[str],
args: List[str],
cwd: Optional[str] = None,
verbose: bool = False,
hide_stderr: bool = False,
env: Optional[Dict[str, str]] = None,
) -> Tuple[Optional[str], Optional[int]]:
"""Call the given command(s)."""
assert isinstance(commands, list)
process = None
popen_kwargs: Dict[str, Any] = {}
if sys.platform == "win32":
# This hides the console window if pythonw.exe is used
startupinfo = subprocess.STARTUPINFO()
startupinfo.dwFlags |= subprocess.STARTF_USESHOWWINDOW
popen_kwargs["startupinfo"] = startupinfo
for command in commands:
try:
dispcmd = str([command] + args)
# remember shell=False, so use git.cmd on windows, not just git
process = subprocess.Popen([command] + args, cwd=cwd, env=env,
stdout=subprocess.PIPE,
stderr=(subprocess.PIPE if hide_stderr
else None), **popen_kwargs)
break
except OSError as e:
if e.errno == errno.ENOENT:
continue
if verbose:
print("unable to run %s" % dispcmd)
print(e)
return None, None
else:
if verbose:
print("unable to find command, tried %s" % (commands,))
return None, None
stdout = process.communicate()[0].strip().decode()
if process.returncode != 0:
if verbose:
print("unable to run %s (error)" % dispcmd)
print("stdout was %s" % stdout)
return None, process.returncode
return stdout, process.returncode
def versions_from_parentdir(
parentdir_prefix: str,
root: str,
verbose: bool,
) -> Dict[str, Any]:
"""Try to determine the version from the parent directory name.
Source tarballs conventionally unpack into a directory that includes both
the project name and a version string. We will also support searching up
two directory levels for an appropriately named parent directory
"""
rootdirs = []
for _ in range(3):
dirname = os.path.basename(root)
if dirname.startswith(parentdir_prefix):
return {"version": dirname[len(parentdir_prefix):],
"full-revisionid": None,
"dirty": False, "error": None, "date": None}
rootdirs.append(root)
root = os.path.dirname(root) # up a level
if verbose:
print("Tried directories %s but none started with prefix %s" %
(str(rootdirs), parentdir_prefix))
raise NotThisMethod("rootdir doesn't start with parentdir_prefix")
@register_vcs_handler("git", "get_keywords")
def git_get_keywords(versionfile_abs: str) -> Dict[str, str]:
"""Extract version information from the given file."""
# the code embedded in _version.py can just fetch the value of these
# keywords. When used from setup.py, we don't want to import _version.py,
# so we do it with a regexp instead. This function is not used from
# _version.py.
keywords: Dict[str, str] = {}
try:
with open(versionfile_abs, "r") as fobj:
for line in fobj:
if line.strip().startswith("git_refnames ="):
mo = re.search(r'=\s*"(.*)"', line)
if mo:
keywords["refnames"] = mo.group(1)
if line.strip().startswith("git_full ="):
mo = re.search(r'=\s*"(.*)"', line)
if mo:
keywords["full"] = mo.group(1)
if line.strip().startswith("git_date ="):
mo = re.search(r'=\s*"(.*)"', line)
if mo:
keywords["date"] = mo.group(1)
except OSError:
pass
return keywords
@register_vcs_handler("git", "keywords")
def git_versions_from_keywords(
keywords: Dict[str, str],
tag_prefix: str,
verbose: bool,
) -> Dict[str, Any]:
"""Get version information from git keywords."""
if "refnames" not in keywords:
raise NotThisMethod("Short version file found")
date = keywords.get("date")
if date is not None:
# Use only the last line. Previous lines may contain GPG signature
# information.
date = date.splitlines()[-1]
# git-2.2.0 added "%cI", which expands to an ISO-8601 -compliant
# datestamp. However we prefer "%ci" (which expands to an "ISO-8601
# -like" string, which we must then edit to make compliant), because
# it's been around since git-1.5.3, and it's too difficult to
# discover which version we're using, or to work around using an
# older one.
date = date.strip().replace(" ", "T", 1).replace(" ", "", 1)
refnames = keywords["refnames"].strip()
if refnames.startswith("$Format"):
if verbose:
print("keywords are unexpanded, not using")
raise NotThisMethod("unexpanded keywords, not a git-archive tarball")
refs = {r.strip() for r in refnames.strip("()").split(",")}
# starting in git-1.8.3, tags are listed as "tag: foo-1.0" instead of
# just "foo-1.0". If we see a "tag: " prefix, prefer those.
TAG = "tag: "
tags = {r[len(TAG):] for r in refs if r.startswith(TAG)}
if not tags:
# Either we're using git < 1.8.3, or there really are no tags. We use
# a heuristic: assume all version tags have a digit. The old git %d
# expansion behaves like git log --decorate=short and strips out the
# refs/heads/ and refs/tags/ prefixes that would let us distinguish
# between branches and tags. By ignoring refnames without digits, we
# filter out many common branch names like "release" and
# "stabilization", as well as "HEAD" and "master".
tags = {r for r in refs if re.search(r'\d', r)}
if verbose:
print("discarding '%s', no digits" % ",".join(refs - tags))
if verbose:
print("likely tags: %s" % ",".join(sorted(tags)))
for ref in sorted(tags):
# sorting will prefer e.g. "2.0" over "2.0rc1"
if ref.startswith(tag_prefix):
r = ref[len(tag_prefix):]
# Filter out refs that exactly match prefix or that don't start
# with a number once the prefix is stripped (mostly a concern
# when prefix is '')
if not re.match(r'\d', r):
continue
if verbose:
print("picking %s" % r)
return {"version": r,
"full-revisionid": keywords["full"].strip(),
"dirty": False, "error": None,
"date": date}
# no suitable tags, so version is "0+unknown", but full hex is still there
if verbose:
print("no suitable tags, using unknown + full revision id")
return {"version": "0+unknown",
"full-revisionid": keywords["full"].strip(),
"dirty": False, "error": "no suitable tags", "date": None}
@register_vcs_handler("git", "pieces_from_vcs")
def git_pieces_from_vcs(
tag_prefix: str,
root: str,
verbose: bool,
runner: Callable = run_command
) -> Dict[str, Any]:
"""Get version from 'git describe' in the root of the source tree.
This only gets called if the git-archive 'subst' keywords were *not*
expanded, and _version.py hasn't already been rewritten with a short
version string, meaning we're inside a checked out source tree.
"""
GITS = ["git"]
if sys.platform == "win32":
GITS = ["git.cmd", "git.exe"]
# GIT_DIR can interfere with correct operation of Versioneer.
# It may be intended to be passed to the Versioneer-versioned project,
# but that should not change where we get our version from.
env = os.environ.copy()
env.pop("GIT_DIR", None)
runner = functools.partial(runner, env=env)
_, rc = runner(GITS, ["rev-parse", "--git-dir"], cwd=root,
hide_stderr=not verbose)
if rc != 0:
if verbose:
print("Directory %s not under git control" % root)
raise NotThisMethod("'git rev-parse --git-dir' returned error")
# if there is a tag matching tag_prefix, this yields TAG-NUM-gHEX[-dirty]
# if there isn't one, this yields HEX[-dirty] (no NUM)
describe_out, rc = runner(GITS, [
"describe", "--tags", "--dirty", "--always", "--long",
"--match", f"{tag_prefix}[[:digit:]]*"
], cwd=root)
# --long was added in git-1.5.5
if describe_out is None:
raise NotThisMethod("'git describe' failed")
describe_out = describe_out.strip()
full_out, rc = runner(GITS, ["rev-parse", "HEAD"], cwd=root)
if full_out is None:
raise NotThisMethod("'git rev-parse' failed")
full_out = full_out.strip()
pieces: Dict[str, Any] = {}
pieces["long"] = full_out
pieces["short"] = full_out[:7] # maybe improved later
pieces["error"] = None
branch_name, rc = runner(GITS, ["rev-parse", "--abbrev-ref", "HEAD"],
cwd=root)
# --abbrev-ref was added in git-1.6.3
if rc != 0 or branch_name is None:
raise NotThisMethod("'git rev-parse --abbrev-ref' returned error")
branch_name = branch_name.strip()
if branch_name == "HEAD":
# If we aren't exactly on a branch, pick a branch which represents
# the current commit. If all else fails, we are on a branchless
# commit.
branches, rc = runner(GITS, ["branch", "--contains"], cwd=root)
# --contains was added in git-1.5.4
if rc != 0 or branches is None:
raise NotThisMethod("'git branch --contains' returned error")
branches = branches.split("\n")
# Remove the first line if we're running detached
if "(" in branches[0]:
branches.pop(0)
# Strip off the leading "* " from the list of branches.
branches = [branch[2:] for branch in branches]
if "master" in branches:
branch_name = "master"
elif not branches:
branch_name = None
else:
# Pick the first branch that is returned. Good or bad.
branch_name = branches[0]
pieces["branch"] = branch_name
# parse describe_out. It will be like TAG-NUM-gHEX[-dirty] or HEX[-dirty]
# TAG might have hyphens.
git_describe = describe_out
# look for -dirty suffix
dirty = git_describe.endswith("-dirty")
pieces["dirty"] = dirty
if dirty:
git_describe = git_describe[:git_describe.rindex("-dirty")]
# now we have TAG-NUM-gHEX or HEX
if "-" in git_describe:
# TAG-NUM-gHEX
mo = re.search(r'^(.+)-(\d+)-g([0-9a-f]+)$', git_describe)
if not mo:
# unparsable. Maybe git-describe is misbehaving?
pieces["error"] = ("unable to parse git-describe output: '%s'"
% describe_out)
return pieces
# tag
full_tag = mo.group(1)
if not full_tag.startswith(tag_prefix):
if verbose:
fmt = "tag '%s' doesn't start with prefix '%s'"
print(fmt % (full_tag, tag_prefix))
pieces["error"] = ("tag '%s' doesn't start with prefix '%s'"
% (full_tag, tag_prefix))
return pieces
pieces["closest-tag"] = full_tag[len(tag_prefix):]
# distance: number of commits since tag
pieces["distance"] = int(mo.group(2))
# commit: short hex revision ID
pieces["short"] = mo.group(3)
else:
# HEX: no tags
pieces["closest-tag"] = None
out, rc = runner(GITS, ["rev-list", "HEAD", "--left-right"], cwd=root)
pieces["distance"] = len(out.split()) # total number of commits
# commit date: see ISO-8601 comment in git_versions_from_keywords()
date = runner(GITS, ["show", "-s", "--format=%ci", "HEAD"], cwd=root)[0].strip()
# Use only the last line. Previous lines may contain GPG signature
# information.
date = date.splitlines()[-1]
pieces["date"] = date.strip().replace(" ", "T", 1).replace(" ", "", 1)
return pieces
def plus_or_dot(pieces: Dict[str, Any]) -> str:
"""Return a + if we don't already have one, else return a ."""
if "+" in pieces.get("closest-tag", ""):
return "."
return "+"
def render_pep440(pieces: Dict[str, Any]) -> str:
"""Build up version string, with post-release "local version identifier".
Our goal: TAG[+DISTANCE.gHEX[.dirty]] . Note that if you
get a tagged build and then dirty it, you'll get TAG+0.gHEX.dirty
Exceptions:
1: no tags. git_describe was just HEX. 0+untagged.DISTANCE.gHEX[.dirty]
"""
if pieces["closest-tag"]:
rendered = pieces["closest-tag"]
if pieces["distance"] or pieces["dirty"]:
rendered += plus_or_dot(pieces)
rendered += "%d.g%s" % (pieces["distance"], pieces["short"])
if pieces["dirty"]:
rendered += ".dirty"
else:
# exception #1
rendered = "0+untagged.%d.g%s" % (pieces["distance"],
pieces["short"])
if pieces["dirty"]:
rendered += ".dirty"
return rendered
def render_pep440_branch(pieces: Dict[str, Any]) -> str:
"""TAG[[.dev0]+DISTANCE.gHEX[.dirty]] .
The ".dev0" means not master branch. Note that .dev0 sorts backwards
(a feature branch will appear "older" than the master branch).
Exceptions:
1: no tags. 0[.dev0]+untagged.DISTANCE.gHEX[.dirty]
"""
if pieces["closest-tag"]:
rendered = pieces["closest-tag"]
if pieces["distance"] or pieces["dirty"]:
if pieces["branch"] != "master":
rendered += ".dev0"
rendered += plus_or_dot(pieces)
rendered += "%d.g%s" % (pieces["distance"], pieces["short"])
if pieces["dirty"]:
rendered += ".dirty"
else:
# exception #1
rendered = "0"
if pieces["branch"] != "master":
rendered += ".dev0"
rendered += "+untagged.%d.g%s" % (pieces["distance"],
pieces["short"])
if pieces["dirty"]:
rendered += ".dirty"
return rendered
def pep440_split_post(ver: str) -> Tuple[str, Optional[int]]:
"""Split pep440 version string at the post-release segment.
Returns the release segments before the post-release and the
post-release version number (or -1 if no post-release segment is present).
"""
vc = str.split(ver, ".post")
return vc[0], int(vc[1] or 0) if len(vc) == 2 else None
def render_pep440_pre(pieces: Dict[str, Any]) -> str:
"""TAG[.postN.devDISTANCE] -- No -dirty.
Exceptions:
1: no tags. 0.post0.devDISTANCE
"""
if pieces["closest-tag"]:
if pieces["distance"]:
# update the post release segment
tag_version, post_version = pep440_split_post(pieces["closest-tag"])
rendered = tag_version
if post_version is not None:
rendered += ".post%d.dev%d" % (post_version + 1, pieces["distance"])
else:
rendered += ".post0.dev%d" % (pieces["distance"])
else:
# no commits, use the tag as the version
rendered = pieces["closest-tag"]
else:
# exception #1
rendered = "0.post0.dev%d" % pieces["distance"]
return rendered
def render_pep440_post(pieces: Dict[str, Any]) -> str:
"""TAG[.postDISTANCE[.dev0]+gHEX] .
The ".dev0" means dirty. Note that .dev0 sorts backwards
(a dirty tree will appear "older" than the corresponding clean one),
but you shouldn't be releasing software with -dirty anyways.
Exceptions:
1: no tags. 0.postDISTANCE[.dev0]
"""
if pieces["closest-tag"]:
rendered = pieces["closest-tag"]
if pieces["distance"] or pieces["dirty"]:
rendered += ".post%d" % pieces["distance"]
if pieces["dirty"]:
rendered += ".dev0"
rendered += plus_or_dot(pieces)
rendered += "g%s" % pieces["short"]
else:
# exception #1
rendered = "0.post%d" % pieces["distance"]
if pieces["dirty"]:
rendered += ".dev0"
rendered += "+g%s" % pieces["short"]
return rendered
def render_pep440_post_branch(pieces: Dict[str, Any]) -> str:
"""TAG[.postDISTANCE[.dev0]+gHEX[.dirty]] .
The ".dev0" means not master branch.
Exceptions:
1: no tags. 0.postDISTANCE[.dev0]+gHEX[.dirty]
"""
if pieces["closest-tag"]:
rendered = pieces["closest-tag"]
if pieces["distance"] or pieces["dirty"]:
rendered += ".post%d" % pieces["distance"]
if pieces["branch"] != "master":
rendered += ".dev0"
rendered += plus_or_dot(pieces)
rendered += "g%s" % pieces["short"]
if pieces["dirty"]:
rendered += ".dirty"
else:
# exception #1
rendered = "0.post%d" % pieces["distance"]
if pieces["branch"] != "master":
rendered += ".dev0"
rendered += "+g%s" % pieces["short"]
if pieces["dirty"]:
rendered += ".dirty"
return rendered
def render_pep440_old(pieces: Dict[str, Any]) -> str:
"""TAG[.postDISTANCE[.dev0]] .
The ".dev0" means dirty.
Exceptions:
1: no tags. 0.postDISTANCE[.dev0]
"""
if pieces["closest-tag"]:
rendered = pieces["closest-tag"]
if pieces["distance"] or pieces["dirty"]:
rendered += ".post%d" % pieces["distance"]
if pieces["dirty"]:
rendered += ".dev0"
else:
# exception #1
rendered = "0.post%d" % pieces["distance"]
if pieces["dirty"]:
rendered += ".dev0"
return rendered
def render_git_describe(pieces: Dict[str, Any]) -> str:
"""TAG[-DISTANCE-gHEX][-dirty].
Like 'git describe --tags --dirty --always'.
Exceptions:
1: no tags. HEX[-dirty] (note: no 'g' prefix)
"""
if pieces["closest-tag"]:
rendered = pieces["closest-tag"]
if pieces["distance"]:
rendered += "-%d-g%s" % (pieces["distance"], pieces["short"])
else:
# exception #1
rendered = pieces["short"]
if pieces["dirty"]:
rendered += "-dirty"
return rendered
def render_git_describe_long(pieces: Dict[str, Any]) -> str:
"""TAG-DISTANCE-gHEX[-dirty].
Like 'git describe --tags --dirty --always -long'.
The distance/hash is unconditional.
Exceptions:
1: no tags. HEX[-dirty] (note: no 'g' prefix)
"""
if pieces["closest-tag"]:
rendered = pieces["closest-tag"]
rendered += "-%d-g%s" % (pieces["distance"], pieces["short"])
else:
# exception #1
rendered = pieces["short"]
if pieces["dirty"]:
rendered += "-dirty"
return rendered
def render(pieces: Dict[str, Any], style: str) -> Dict[str, Any]:
"""Render the given version pieces into the requested style."""
if pieces["error"]:
return {"version": "unknown",
"full-revisionid": pieces.get("long"),
"dirty": None,
"error": pieces["error"],
"date": None}
if not style or style == "default":
style = "pep440" # the default
if style == "pep440":
rendered = render_pep440(pieces)
elif style == "pep440-branch":
rendered = render_pep440_branch(pieces)
elif style == "pep440-pre":
rendered = render_pep440_pre(pieces)
elif style == "pep440-post":
rendered = render_pep440_post(pieces)
elif style == "pep440-post-branch":
rendered = render_pep440_post_branch(pieces)
elif style == "pep440-old":
rendered = render_pep440_old(pieces)
elif style == "git-describe":
rendered = render_git_describe(pieces)
elif style == "git-describe-long":
rendered = render_git_describe_long(pieces)
else:
raise ValueError("unknown style '%s'" % style)
return {"version": rendered, "full-revisionid": pieces["long"],
"dirty": pieces["dirty"], "error": None,
"date": pieces.get("date")}
def get_versions() -> Dict[str, Any]:
"""Get version information or return default if unable to do so."""
# I am in _version.py, which lives at ROOT/VERSIONFILE_SOURCE. If we have
# __file__, we can work backwards from there to the root. Some
# py2exe/bbfreeze/non-CPython implementations don't do __file__, in which
# case we can only use expanded keywords.
cfg = get_config()
verbose = cfg.verbose
try:
return git_versions_from_keywords(get_keywords(), cfg.tag_prefix,
verbose)
except NotThisMethod:
pass
try:
root = os.path.realpath(__file__)
# versionfile_source is the relative path from the top of the source
# tree (where the .git directory might live) to this file. Invert
# this to find the root from __file__.
for _ in cfg.versionfile_source.split('/'):
root = os.path.dirname(root)
except NameError:
return {"version": "0+unknown", "full-revisionid": None,
"dirty": None,
"error": "unable to find root of source tree",
"date": None}
try:
pieces = git_pieces_from_vcs(cfg.tag_prefix, root, verbose)
return render(pieces, cfg.style)
except NotThisMethod:
pass
try:
if cfg.parentdir_prefix:
return versions_from_parentdir(cfg.parentdir_prefix, root, verbose)
except NotThisMethod:
pass
return {"version": "0+unknown", "full-revisionid": None,
"dirty": None,
"error": "unable to compute version", "date": None}

29
sdk/python/sdk/zrok/zrok/access.py
View File

@ -3,6 +3,24 @@ from zrok_api.models import AccessRequest, UnaccessRequest
from zrok_api.api import ShareApi
from zrok import model
class Access():
root: Root
request: model.AccessRequest
access: model.Access
def __init__(self, root: Root, request: model.AccessRequest):
self.root = root
self.request = request
def __enter__(self) -> model.Access:
self.access = CreateAccess(root=self.root, request=self.request)
return self.access
def __exit__(self, exception_type, exception_value, exception_traceback):
DeleteAccess(root=self.root, acc=self.access)
def CreateAccess(root: Root, request: model.AccessRequest) -> model.Access:
if not root.IsEnabled():
raise Exception("environment is not enabled; enable with 'zrok enable' first!")
@ -19,20 +37,21 @@ def CreateAccess(root: Root, request: model.AccessRequest) -> model.Access:
except Exception as e:
raise Exception("unable to create access", e)
return model.Access(Token=res.frontend_token,
ShareToken=request.ShareToken,
BackendMode=res.backend_mode)
ShareToken=request.ShareToken,
BackendMode=res.backend_mode)
def DeleteAccess(root: Root, acc: model.Access):
req = UnaccessRequest(frontend_token=acc.Token,
shr_token=acc.ShareToken,
env_zid=root.env.ZitiIdentity)
try:
zrok = root.Client()
except Exception as e:
raise Exception("error getting zrok client", e)
try:
ShareApi(zrok).unaccess(body=req)
except Exception as e:
raise Exception("error deleting access", e)
raise Exception("error deleting access", e)

33
sdk/python/sdk/zrok/zrok/decor.py Normal file
View File

@ -0,0 +1,33 @@
from dataclasses import dataclass
import openziti
from zrok.environment.root import Root
@dataclass
class Opts:
root: Root
shrToken: str
bindPort: int
bindHost: str = ""
class MonkeyPatch(openziti.monkeypatch):
def __init__(self, opts: {}, *args, **kwargs):
zif = opts['cfg'].root.ZitiIdentityNamed(opts['cfg'].root.EnvironmentIdentityName())
cfg = dict(ztx=openziti.load(zif), service=opts['cfg'].shrToken)
super(MonkeyPatch, self).__init__(bindings={(opts['cfg'].bindHost, opts['cfg'].bindPort): cfg}, *args, **kwargs)
def __enter__(self):
return self
def __exit__(self, exc_type, exc_val, exc_tb):
super(MonkeyPatch, self).__exit__(exc_type, exc_val, exc_tb)
def zrok(opts: {}, *zargs, **zkwargs):
def zrockify_func(func):
def zrockified(*args, **kwargs):
with MonkeyPatch(opts=opts, *zargs, **zkwargs):
func(*args, **kwargs)
return zrockified
return zrockify_func

5
sdk/python/sdk/zrok/zrok/dialer.py
View File

@ -2,8 +2,9 @@ from zrok.environment.root import Root
import openziti
from socket import SOCK_STREAM
def Dialer(shrToken: str, root: Root) -> openziti.zitisock.ZitiSocket:
openziti.load(root.ZitiIdentityNamed(root.EnvironmentIdentityName()))
client = openziti.socket(type = SOCK_STREAM)
client = openziti.socket(type=SOCK_STREAM)
client.connect((shrToken, 1))
return client
return client

2
sdk/python/sdk/zrok/zrok/environment/__init__.py
View File

@ -1 +1 @@
from . import dirs, root
from . import dirs, root # noqa

8
sdk/python/sdk/zrok/zrok/environment/dirs.py
View File

@ -1,26 +1,32 @@
from pathlib import Path
import os
def rootDir() -> str:
home = str(Path.home())
return os.path.join(home, ".zrok")
def metadataFile() -> str:
zrd = rootDir()
return os.path.join(zrd, "metadata.json")
def configFile() -> str:
zrd = rootDir()
return os.path.join(zrd, "config.json")
def environmentFile() -> str:
zrd = rootDir()
return os.path.join(zrd, "environment.json")
def identitiesDir() -> str:
zrd = rootDir()
return os.path.join(zrd, "identities")
def identityFile(name: str) -> str:
idd = identitiesDir()
return os.path.join(idd, name + ".json")
return os.path.join(idd, name + ".json")

40
sdk/python/sdk/zrok/zrok/environment/root.py
View File

@ -1,6 +1,6 @@
from dataclasses import dataclass, field
from typing import NamedTuple
from .dirs import *
from .dirs import identityFile, rootDir, configFile, environmentFile, metadataFile
import os
import json
import zrok_api as zrok
@ -9,25 +9,30 @@ import re
V = "v0.4"
@dataclass
class Metadata:
V: str = ""
RootPath: str = ""
@dataclass
class Config:
ApiEndpoint: str = ""
@dataclass
class Environment:
Token: str = ""
ZitiIdentity: str = ""
ApiEndpoint: str = ""
class ApiEndpoint(NamedTuple):
endpoint: str
frm: str
@dataclass
class Root:
meta: Metadata = field(default_factory=Metadata)
@ -36,7 +41,7 @@ class Root:
def HasConfig(self) -> bool:
return self.cfg != Config()
def Client(self) -> zrok.ApiClient:
apiEndpoint = self.ApiEndpoint()
@ -45,14 +50,13 @@ class Root:
cfg.api_key["x-token"] = self.env.Token
cfg.api_key_prefix['Authorization'] = 'Bearer'
zrock_client = zrok.ApiClient(configuration=cfg)
v = zrok.MetadataApi(zrock_client).version()
# allow reported version string to be optionally prefixed with
# "refs/heads/" or "refs/tags/"
# "refs/heads/" or "refs/tags/"
rxp = re.compile("^(refs/(heads|tags)/)?" + V)
if not rxp.match(v):
raise Exception("Expected a '" + V + "' version, received: '" + v+ "'")
raise Exception("expected a '" + V + "' version, received: '" + v + "'")
return zrock_client
def ApiEndpoint(self) -> ApiEndpoint:
@ -73,25 +77,27 @@ class Root:
frm = "env"
return ApiEndpoint(apiEndpoint.rstrip("/"), frm)
def IsEnabled(self) -> bool:
return self.env != Environment()
def PublicIdentityName(self) -> str:
return "public"
def EnvironmentIdentityName(self) -> str:
return "environment"
def ZitiIdentityNamed(self, name: str) -> str:
return identityFile(name)
def Default() -> Root:
r = Root()
root = rootDir()
r.meta = Metadata(V=V, RootPath=root)
return r
def Assert() -> bool:
exists = __rootExists()
if exists:
@ -99,6 +105,7 @@ def Assert() -> bool:
return meta.V == V
return False
def Load() -> Root:
r = Root()
if __rootExists():
@ -109,31 +116,40 @@ def Load() -> Root:
r = Default()
return r
def __rootExists() -> bool:
mf = metadataFile()
return os.path.isfile(mf)
def __assertMetadata():
pass
def __loadMetadata() -> Metadata:
mf = metadataFile()
with open(mf) as f:
data = json.load(f)
return Metadata(V=data["v"])
def __loadConfig() -> Config:
cf = configFile()
with open(cf) as f:
data = json.load(f)
return Config(ApiEndpoint=data["api_endpoint"])
def isEnabled() -> bool:
ef = environmentFile()
return os.path.isfile(ef)
def __loadEnvironment() -> Environment:
ef = environmentFile()
with open(ef) as f:
data = json.load(f)
return Environment(Token=data["zrok_token"], ZitiIdentity=data["ziti_identity"], ApiEndpoint=data["api_endpoint"])
return Environment(
Token=data["zrok_token"],
ZitiIdentity=data["ziti_identity"],
ApiEndpoint=data["api_endpoint"])

4
sdk/python/sdk/zrok/zrok/listener.py
View File

@ -10,7 +10,9 @@ class Listener():
def __init__(self, shrToken: str, root: Root):
self.shrToken = shrToken
self.root = root
ztx = openziti.load(self.root.ZitiIdentityNamed(self.root.EnvironmentIdentityName()))
ztx = openziti.load(
self.root.ZitiIdentityNamed(
self.root.EnvironmentIdentityName()))
self.__server = ztx.bind(self.shrToken)
def __enter__(self) -> openziti.zitisock.ZitiSocket:

9
sdk/python/sdk/zrok/zrok/model.py
View File

@ -13,6 +13,7 @@ ShareMode = str
PRIVATE_SHARE_MODE: ShareMode = "private"
PUBLIC_SHARE_MODE: ShareMode = "public"
@dataclass
class ShareRequest:
BackendMode: BackendMode
@ -26,34 +27,40 @@ class ShareRequest:
Reserved: bool = False
UniqueName: str = ""
@dataclass
class Share:
Token: str
FrontendEndpoints: list[str]
@dataclass
class AccessRequest:
ShareToken: str
@dataclass
class Access:
Token: str
ShareToken: str
BackendMode: BackendMode
@dataclass
class SessionMetrics:
BytesRead: int
BytesWritten: int
LastUpdate: int
@dataclass
class Metrics:
Namespace: str
Sessions: dict[str, SessionMetrics]
AuthScheme = str
AUTH_SCHEME_NONE: AuthScheme = "none"
AUTH_SCHEME_BASIC: AuthScheme = "basic"
AUTH_SCHEME_OAUTH: AuthScheme = "oauth"
AUTH_SCHEME_OAUTH: AuthScheme = "oauth"

6
sdk/python/sdk/zrok/zrok/overview.py
View File

@ -1,9 +1,11 @@
from zrok.environment.root import Root
import urllib3
def Overview(root: Root) -> str:
if not root.IsEnabled():
raise Exception("environment is not enabled; enable with 'zrok enable' first!")
http = urllib3.PoolManager()
apiEndpoint = root.ApiEndpoint().endpoint
try:
@ -15,4 +17,4 @@ def Overview(root: Root) -> str:
})
except Exception as e:
raise Exception("unable to get account overview", e)
return response.data.decode('utf-8')
return response.data.decode('utf-8')

64
sdk/python/sdk/zrok/zrok/share.py
View File

@ -3,10 +3,29 @@ from zrok_api.models import ShareRequest, UnshareRequest, AuthUser
from zrok_api.api import ShareApi
from zrok import model
class Share():
root: Root
request: model.ShareRequest
share: model.Share
def __init__(self, root: Root, request: model.ShareRequest):
self.root = root
self.request = request
def __enter__(self) -> model.Share:
self.share = CreateShare(root=self.root, request=self.request)
return self.share
def __exit__(self, exception_type, exception_value, exception_traceback):
if not self.request.Reserved:
DeleteShare(root=self.root, shr=self.share)
def CreateShare(root: Root, request: model.ShareRequest) -> model.Share:
if not root.IsEnabled():
raise Exception("environment is not enabled; enable with 'zrok enable' first!")
match request.ShareMode:
case model.PRIVATE_SHARE_MODE:
out = __newPrivateShare(root, request)
@ -25,7 +44,7 @@ def CreateShare(root: Root, request: model.ShareRequest) -> model.Share:
if len(tokens) == 2:
out.auth_users.append(AuthUser(username=tokens[0].strip(), password=tokens[1].strip()))
else:
raise Exception("invalid username:password pair: " + pair)
raise Exception("invalid username:password pair: " + pair)
if request.OauthProvider != "":
out.auth_scheme = model.AUTH_SCHEME_OAUTH
@ -38,29 +57,30 @@ def CreateShare(root: Root, request: model.ShareRequest) -> model.Share:
res = ShareApi(zrok).share(body=out)
except Exception as e:
raise Exception("unable to create share", e)
return model.Share(Token=res.shr_token,
FrontendEndpoints=res.frontend_proxy_endpoints)
def __newPrivateShare(root: Root, request: model.ShareRequest) -> ShareRequest:
return ShareRequest(env_zid=root.env.ZitiIdentity,
share_mode=request.ShareMode,
backend_mode=request.BackendMode,
backend_proxy_endpoint=request.Target,
auth_scheme=model.AUTH_SCHEME_NONE
)
share_mode=request.ShareMode,
backend_mode=request.BackendMode,
backend_proxy_endpoint=request.Target,
auth_scheme=model.AUTH_SCHEME_NONE
)
def __newPublicShare(root: Root, request: model.ShareRequest) -> ShareRequest:
ret= ShareRequest(env_zid=root.env.ZitiIdentity,
share_mode=request.ShareMode,
frontend_selection=request.Frontends,
backend_mode=request.BackendMode,
backend_proxy_endpoint=request.Target,
auth_scheme=model.AUTH_SCHEME_NONE,
oauth_email_domains=request.OauthEmailDomains,
oauth_authorization_check_interval=request.OauthAuthorizationCheckInterval
)
ret = ShareRequest(env_zid=root.env.ZitiIdentity,
share_mode=request.ShareMode,
frontend_selection=request.Frontends,
backend_mode=request.BackendMode,
backend_proxy_endpoint=request.Target,
auth_scheme=model.AUTH_SCHEME_NONE,
oauth_email_domains=request.OauthEmailDomains,
oauth_authorization_check_interval=request.OauthAuthorizationCheckInterval
)
if request.OauthProvider != "":
ret.oauth_provider = request.OauthProvider
@ -70,13 +90,13 @@ def __newPublicShare(root: Root, request: model.ShareRequest) -> ShareRequest:
def DeleteShare(root: Root, shr: model.Share):
req = UnshareRequest(env_zid=root.env.ZitiIdentity,
shr_token=shr.Token)
try:
zrok = root.Client()
except Exception as e:
raise Exception("error getting zrok client", e)
try:
ShareApi(zrok).unshare(body=req)
except Exception as e:
raise Exception("error deleting share", e)
raise Exception("error deleting share", e)